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Emission Control Relay Back Up Light Switch Automotive Wiring Supplies

Effective wiring is crucial to your vehicle's performance. Faulty wiring can cause damage to the Ignition Components which leads to engine misfires and trouble starting. Similarly, wiring issues can cause inaccurate readings from the Oxygen Sensors causing poor fuel efficiency and increased emissions. Additionally, wiring damage to the TPMS Sensors can affect tire pressure readings and cause safety issues.

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  1. Wells Back Up Light Switch
    Wells WVE Back Up Light Switch for 2004-2007 Buick Rainier
    Special Price $66.26 Regular Price $67.61
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  2. Wells Back Up Light Switch
    Wells WVE Back Up Light Switch for 2004-2010 Hummer H1 H2 H3 H3T
    Special Price $66.26 Regular Price $67.61
    WVE
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  3. DENSO Emission Control Relay
    DENSO Emission Control Relay for 1988-1990 Toyota Corolla
    $15.74
    DENSO
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  4. Wells WVE Back Up Light Switch
    Wells WVE Back Up Light Switch for 1991-2010 Mazda B2300 B2500 B3000 B4000 Navajo 2.3L 3.0L 4.0L L4 V6
    Special Price $15.15 Regular Price $22.99
    WVE
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  5. Wells WVE Back Up Light Switch
    Wells WVE Back Up Light Switch for 1995-2003 Chevrolet Astro Avalanche 1500 Avalanche 2500 Blazer C1500 C1500 Suburban 5.7L V8
    $41.77
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  6. Wells WVE Back Up Light Switch
    Wells WVE Back Up Light Switch for 1995-2003 GMC C1500 C1500 Suburban C2500 C2500 Suburban C3500 Envoy Envoy XL J
    $41.77
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  7. Wells WVE Back Up Light Switch
    Wells WVE Back Up Light Switch for 1996-2003 Oldsmobile Bravada
    $41.77
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  8. Wells WVE Back Up Light Switch
    Wells WVE Back Up Light Switch for 1996-2003 Isuzu Ascender Hombre 2.2L L4
    $41.77
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  9. Wells WVE Back Up Light Switch
    Wells WVE Back Up Light Switch for 2003 Hummer H2
    $41.77
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  10. Wells WVE Back Up Light Switch
    Wells WVE Back Up Light Switch for 1999-2003 Cadillac Escalade Escalade ESV Escalade EXT
    Special Price $41.77 Regular Price $42.62
    WVE
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  11. Wells Back Up Light Switch
    Wells WVE Back Up Light Switch for 2004-2006 Pontiac GTO
    $66.26
    WVE
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  12. Wells Back Up Light Switch
    Wells WVE Back Up Light Switch for 2003-2012 Chevrolet Astro Avalanche Avalanche 1500 Avalanche 2500 Blazer Co Colorado
    $66.26
    WVE
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  13. Wells Back Up Light Switch
    Wells WVE Back Up Light Switch for 2004-2005 Isuzu Ascender 4.2L 5.3L L6 V8
    $67.61
    WVE
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  14. Wells Back Up Light Switch
    Wells WVE Back Up Light Switch for 2003-2012 GMC Canyon Envoy Envoy XL Envoy XUV S Safari Savana 1500 Savana 2500 4.8L 5.3L V8
    $67.61
    WVE
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  15. Wells Back Up Light Switch
    Wells WVE Back Up Light Switch for 2004-2006 Cadillac Escalade Escalade ESV Escalade EXT
    $67.61
    WVE
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  1. Part Type
    Emission Control Relay
  2. Part Type
    Back Up Light Switch
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Part Type
  1. 4WD Switch 172items
  2. A/C Clutch Relay 37items
  3. A/C Compressor Clutch Connector 8items
  4. A/C Compressor Control Relay 49items
  5. A/C Compressor Cut-Out Relay 17items
  6. A/C Compressor Cut-Out Switch Harness Connector 1item
  7. A/C Condenser Fan Motor Relay 14items
  8. ABS Control Relay 14items
  9. ABS Indicator Light Relay 19items
  10. ABS Modulator Relay 11items
  11. ABS Pump and Motor Relay 4items
  12. ABS Relay 3items
  13. ABS Wheel Speed Sensor 2651items
  14. ABS Wheel Speed Sensor Connector 39items
  15. ABS Wheel Speed Sensor Wiring Harness 88items
  16. Accelerator Pedal Sensor 148items
  17. Accessory Delay Relay 36items
  18. Accessory Power Receptacle Relay 2items
  19. Accessory Power Relay 98items
  20. Accessory Safety Relay 3items
  21. Active Suspension Relay 7items
  22. Adjustable Pedal Relay 2items
  23. Air / Fuel Ratio Sensor 1905items
  24. Air Bag Impact Sensor 126items
  25. Air Charge Temperature Sensor 602items
  26. Air Charge Temperature Sensor Connector 19items
  27. Air Control Valve Relay 4items
  28. Air Suspension Compressor Relay 4items
  29. Alternator Connector 7items
  30. Ambient Air Temperature Sensor 366items
  31. Ambient Air Temperature Sensor Connector 13items
  32. Anti-Dieseling Relay 2items
  33. Anti-Theft Relay 21items
  34. Audio Amplifier Relay 2items
  35. Auto Shut Down Relay 6items
  36. Automatic Choke Heater Control Relay 1item
  37. Automatic Headlight Control Relay 11items
  38. Automatic Transmission Axle Relay 6items
  39. Automatic Transmission Fluid Temperature Sensor 42items
  40. Automatic Transmission Fluid Temperature Sensor Connector 3items
  41. Automatic Transmission Oil Pressure Sensor 13items
  42. Automatic Transmission Revolution Sensor 5items
  43. Automatic Transmission Spark Control Relay 1item
  44. Automatic Transmission Speed Sensor 713items
  45. Automatic Transmission Speed Sensor Connector 29items
  46. Auxiliary Battery Relay 2items
  47. Auxiliary Engine Cooling Fan Relay 11items
  48. Auxiliary Heater Relay 7items
  49. Back Up Light Connector 5items
  50. Back Up Light Relay 14items
  51. Back Up Light Socket 5items
  52. Back Up Light Switch 17items
  53. Back Up Light Switch Connector 8items
  54. Barometric Pressure Sensor 6items
  55. Barometric Pressure Sensor Connector 1item
  56. Battery Charge Relay 3items
  57. Battery Saver Relay 1item
  58. Battery Temperature Sensor 1item
  59. Body Electrical Ground Strap 1item
  60. Brake Fluid Level Sensor 174items
  61. Brake Fluid Level Sensor Connector 14items
  62. Brake Light Relay 7items
  63. Brake Light Socket 16items
  64. Brake Light Switch 52items
  65. Brake Light Switch Connector 4items
  66. Brake Pedal Position Sensor 17items
  67. Cabin Air Temperature Sensor 83items
  68. Cabin Air Temperature Sensor Connector 1item
  69. Camshaft Position Sensor 379items
  70. Canister Vent Solenoid Connector 1item
  71. Cargo Light Relay 3items
  72. CD Changer Connector 1item
  73. Center High Mount Stop Light Connector 1item
  74. Cigarette Lighter Relay 6items
  75. Circuit Opening Relay 6items
  76. Clutch Interlock Relay 2items
  77. Clutch Pedal Position Switch 10items
  78. Clutch Pedal Position Switch Connector 4items
  79. Combination Switch 2items
  80. Combination Switch Connector 4items
  81. Comfort Control Relay 1item
  82. Computer Control Relay 23items
  83. Control Module Relay 24items
  84. Convertible Top Relay 6items
  85. Cornering Light Connector 1item
  86. Cornering Light Socket 15items
  87. Courtesy Light Relay 8items
  88. Crankshaft Position Sensor 137items
  89. Cruise Control Relay 7items
  90. Cruise Control Release Switch 9items
  91. Daytime Running Light Relay 35items
  92. Daytime Running Light Socket 60items
  93. Deck Lid / Liftgate Anti-Theft Switch Connector 2items
  94. Diesel Glow Plug Controller 14items
  95. Diesel Glow Plug Relay 8items
  96. Diesel Glow Plug Relay Connector 1item
  97. Diesel Injection Control Pressure Sensor 18items
  98. Diesel Light Relay 1item
  99. Differential Lock Sensor Connector 5items
  100. Dimmer Relay 1item
  101. Dimmer Switch 2items
  102. Dimmer Switch Connector 5items
  103. Disc Brake Pad Wear Sensor 1187items
  104. Distributor Ignition Pickup Connector 1item
  105. Door Courtesy Light Connector 1item
  106. Door Jamb Switch 54items
  107. Door Jamb Switch Connector 4items
  108. Door Lock Actuator Connector 3items
  109. Door Lock Relay 30items
  110. Door Lock Switch 28items
  111. Door Mirror Relay 3items
  112. Door Mirror Switch 55items
  113. Door Window Relay 17items
  114. Door Window Switch 231items
  115. Door Wiring Harness 7items
  116. Drive By Wire Relay 2items
  117. Driver Information Display Switch 85items
  118. Driving Light Relay 7items
  119. Early Fuel Evaporation (EFE) Control Relay 2items
  120. EGR Valve Position Sensor 36items
  121. Electrical Pigtail 4items
  122. Electronic Brake Control Relay 48items
  123. Electronic Load Detector 11items
  124. Electronic Stability System Relay 1item
  125. Emission Control Relay 1item
  126. Engine Air Intake Heater Relay 3items
  127. Engine Auxiliary Water Pump Relay 1item
  128. Engine Camshaft Position Sensor 3340items
  129. Engine Camshaft Position Sensor Connector 28items
  130. Engine Camshaft Position Sensor Kit 33items
  131. Engine Control Module Relay 10items
  132. Engine Control Module Wiring Relay 12items
  133. Engine Coolant Level Relay 2items
  134. Engine Coolant Level Sensor 20items
  135. Engine Coolant Level Sensor Connector 3items
  136. Engine Coolant Temperature Sending Unit Switch Connector 9items
  137. Engine Coolant Temperature Sensor 2235items
  138. Engine Coolant Temperature Sensor Connector 65items
  139. Engine Coolant Temperature Switch 5items
  140. Engine Cooling Fan Motor Connector 7items
  141. Engine Cooling Fan Motor Relay 49items
  142. Engine Cooling Fan Relay 18items
  143. Engine Cooling Fan Relay Kit 16items
  144. Engine Cooling Fan Switch Connector 1item
  145. Engine Crankshaft Position Sensor 2807items
  146. Engine Crankshaft Position Sensor Connector 57items
  147. Engine Cylinder Head Temperature Sensor 95items
  148. Engine Cylinder Head Temperature Sensor Connector 4items
  149. Engine Fast Idle Relay 3items
  150. Engine Intake Manifold Heater Relay 2items
  151. Engine Intake Manifold Temperature Sensor 13items
  152. Engine Intake Manifold Temperature Sensor Connector 4items
  153. Engine Intake Manifold Tuning Valve Relay 1item
  154. Engine Oil Level Sensor 15items
  155. Engine Oil Level Sensor Connector 5items
  156. Engine Oil Pressure Switch 24items
  157. Engine Oil Temperature Sensor 3items
  158. Engine Oil Temperature Sensor Connector 3items
  159. Engine Variable Timing Eccentric Shaft Sensor 20items
  160. Engine Variable Valve Timing (VVT) Eccentric Shaft Position Sensor 19items
  161. Engine Variable Valve Timing (VVT) Oil Pressure Switch 14items
  162. Engine Variable Valve Timing (VVT) Solenoid Connector 15items
  163. Engine Water Pump Relay 3items
  164. Evaporative Emissions System Leak Detection Pump Connector 1item
  165. Exhaust Gas Recirculation (EGR) Pressure Sensor 110items
  166. Exhaust Gas Recirculation (EGR) Vacuum Regulator Solenoid Connector 4items
  167. Exhaust Gas Recirculation (EGR) Valve Motor Connector 8items
  168. Exhaust Gas Recirculation (EGR) Valve Temperature Sensor 8items
  169. Exhaust Gas Temperature (EGT) Sensor 17items
  170. Fast Idle Valve Solenoid Relay 1item
  171. Fog Light Relay 83items
  172. Fog Light Switch 2items
  173. Forward Light Wiring Relay 2items
  174. Fuel Cut-Off Relay 6items
  175. Fuel Filler Door Relay 3items
  176. Fuel Injection Idle Air Control Valve Connector 4items
  177. Fuel Injection Injection Pump Relay 3items
  178. Fuel Injection Main Relay 1item
  179. Fuel Injection Relay 33items
  180. Fuel Injector Connector 60items
  181. Fuel Level Sensor 44items
  182. Fuel Management Wiring Harness 11items
  183. Fuel Pressure Sensor 21items
  184. Fuel Pump Connector 1item
  185. Fuel Pump Relay 52items
  186. Fuel Pump Wiring Harness 348items
  187. Fuel Tank Pressure Sensor 274items
  188. Fuel Temperature Sensor 1item
  189. Hazard Warning Relay 6items
  190. Hazard Warning Switch 10items
  191. Hazard Warning Switch Connector 1item
  192. Headlight Delay Relay 2items
  193. Headlight Dimmer Switch Relay 7items
  194. Headlight High Beam Relay 2items
  195. Headlight Level Sensor 21items
  196. Headlight Motor Relay 1item
  197. Headlight Relay 112items
  198. Headlight Socket 9items
  199. Headlight Switch 16items
  200. Headlight Switch Connector 5items
  201. Headlight Washer Relay 2items
  202. Heated Mirror Relay 10items
  203. Heated Seat Relay 9items
  204. Heated Steering Wheel Relay 1item
  205. Hood Ajar Indicator Switch Connector 4items
  206. Horn Connector 5items
  207. Horn Relay 116items
  208. HVAC Automatic Temperature Control (ATC) Relay 4items
  209. HVAC Blower Control Switch 4items
  210. HVAC Blower Motor Connector 2items
  211. HVAC Blower Motor Cut-Out Relay 3items
  212. HVAC Blower Motor Relay 95items
  213. HVAC Blower Motor Resistor Connector 39items
  214. HVAC Blower Motor Resistor Kit 54items
  215. HVAC Clutch Coil Connector 8items
  216. HVAC Control Panel Relay 4items
  217. HVAC Heater Relay 6items
  218. Idle Air Control Valve Connector 12items
  219. Idle Speed Control Relay 2items
  220. Ignition Accessory Relay 1item
  221. Ignition Coil Connector 22items
  222. Ignition Control Module Connector 26items
  223. Ignition Control Relay 4items
  224. Ignition Feed Relay 3items
  225. Ignition Knock (Detonation) Sensor 926items
  226. Ignition Knock (Detonation) Sensor Connector 124items
  227. Ignition Relay 36items
  228. Ignition Switch 146items
  229. Ignition Switch Relay 1item
  230. Ignition Warning Relay 1item
  231. Illuminated Entry Relay 1item
  232. Illumination Relay 4items
  233. Instrument Panel Cluster Relay 18items
  234. Instrument Panel Connector 1item
  235. Instrument Panel Dimmer Switch 5items
  236. Instrument Panel Dimmer Switch Connector 4items
  237. Instrument Panel Wiring Harness Relay 3items
  238. Interior Light Relay 13items
  239. Interior Light Switch 17items
  240. Keyless Entry Relay 7items
  241. License Light Socket 1item
  242. License Plate Light Connector 3items
  243. License Plate Light Socket 9items
  244. Liftgate Release Relay 5items
  245. Load Leveler Relay 6items
  246. Main Relay 13items
  247. Manifold Absolute Pressure Sensor 1773items
  248. Manifold Absolute Pressure Sensor Connector 4items
  249. Manual Transmission Speed Sensor 8items
  250. Mass Air Flow (MAF) Sensor 1695items
  251. Mass Air Flow Sensor Connector 3items
  252. Mass Air Flow Sensor Relay 1item
  253. Multi Purpose Relay 23items
  254. Multi-Purpose Electrical Connector 1item
  255. Multi-Purpose Relay 37items
  256. Neutral Safety Switch 30items
  257. Neutral Safety Switch Connector 3items
  258. Neutral Safety Switch Relay 14items
  259. Nitrogen Oxide (NOx) Sensor 8items
  260. NOx (Nitrogen Oxide) Sensor 2items
  261. O2 Oxygen Sensor 13173items
  262. Oil Pressure Switch Connector 19items
  263. Overdrive Relay 9items
  264. Oxygen Sensor Bung 1item
  265. Oxygen Sensor Connector 2items
  266. Oxygen Sensor Relay 8items
  267. Parking Aid Sensor 90items
  268. Parking Brake Release Relay 1item
  269. Parking Brake Switch 7items
  270. Parking Light Bulb Socket 3items
  271. Parking Light Connector 2items
  272. Parking Light Relay 22items
  273. Power Seat Motor Connector 3items
  274. Power Steering Pressure Switch 2items
  275. Power Steering Pressure Switch Connector 7items
  276. Power Steering Relay 4items
  277. Power Vent Relay 3items
  278. Power Window Motor Connector 22items
  279. Power Window Relay 34items
  280. Powertrain Control Module Relay 17items
  281. Powertrain Relay 1item
  282. Radiator Fan Relay Kit 1item
  283. Radio Wiring Relay 3items
  284. Rear Window Defroster Relay 43items
  285. Rear Window Wiper Relay 2items
  286. Seat Relay 10items
  287. Seat Switch 32items
  288. Seat Switch Panel 15items
  289. Secondary Air Injection Pump Relay 5items
  290. Secondary Air Injection Relay 9items
  291. Side Marker Light Connector 17items
  292. Side Marker Light Socket 10items
  293. Sliding Door Motor Harness 8items
  294. Speaker Connector 1item
  295. Speaker Relay 11items
  296. Start / Run Relay 2items
  297. Starter Cut-Off Relay 7items
  298. Starter Relay 56items
  299. Steering Column Adjustment Relay 1item
  300. Steering Column Connector 2items
  301. Steering Wheel Motion Sensor 76items
  302. Stop Light Switch Relay 1item
  303. Sunroof Relay 7items
  304. Supercharger Pressure Sensor 21items
  305. Suspension Ride Height Control Relay 8items
  306. Suspension Ride Height Sensor 142items
  307. Tail Light Circuit Board Connector 4items
  308. Tail Light Connector 10items
  309. Tail Light Relay 8items
  310. Tail Light Socket 19items
  311. Tailgate Relay 1item
  312. Tailgate Window Relay 1item
  313. Temperature Control Relay 7items
  314. Throttle Control Relay 1item
  315. Throttle Position Sensor 938items
  316. Throttle Position Sensor Connector 33items
  317. Tire Pressure Monitoring System Programmable Sensor 1969items
  318. Tire Pressure Monitoring System Sensor 2045items
  319. Tire Pressure Monitoring System Sensor Service Kit 2268items
  320. Top Dead Center Sensor Connector 1item
  321. Traction Control Unit Relay 6items
  322. Trailer Hitch Plug 135items
  323. Trailer Tow Relay 8items
  324. Transfer Case Encoder Ring 51items
  325. Transfer Case Output Shaft Sensor 14items
  326. Transfer Case Relay 1item
  327. Transfer Case Switch 28items
  328. Transmission Control Relay 6items
  329. Transmission Range Sensor 48items
  330. Trunk Lid Release Relay 18items
  331. Turbocharger Boost Sensor 98items
  332. Turbocharger Vane Position Sensor 15items
  333. Turn Signal Light Socket 14items
  334. Turn Signal Relay 9items
  335. Turn Signal Switch 23items
  336. Turn Signal Switch Connector 7items
  337. Twilight Sentinel Relay 5items
  338. Under Hood Light Connector 2items
  339. Vacuum Pump Relay 2items
  340. Vapor Canister Connector 3items
  341. Vapor Canister Purge Solenoid Connector 13items
  342. Vapor Canister Vent Solenoid Connector 6items
  343. Vehicle Speed Sensor 451items
  344. Vehicle Speed Sensor Connector 26items
  345. Voltage Regulator Connector 4items
  346. Washer Fluid Level Sensor Connector 15items
  347. Washer Pump Relay 8items
  348. Water In Fuel (WiF) Sensor 19items
  349. Wide Open Throttle Cut-Off Relay 2items
  350. Window Defroster Relay 35items
  351. Windshield Washer Pump Connector 6items
  352. Windshield Washer Relay 3items
  353. Windshield Wiper Motor Connector 8items
  354. Windshield Wiper Motor Relay 21items
  355. Windshield Wiper Switch 22items
  356. Windshield Wiper Switch Connector 4items
  357. Wiring Relay 10items
Brand
  1. DENSO 1item
  2. Wells 17items
Price
Part Placement
  1. Various 1item
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