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The Jeep Grand Cherokee is a mid-size luxury SUV produced by the American manufacturer Jeep. While some other SUVs were manufactured with body-on-frame construction, the Jeep Grand Cherokee has always used a unibody chassis.

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Back up lights not working

I found plug and play LED bulbs for my taillights I decided to use them for back up lights however it worked for a bit then stopped. I switched back to oem bulbs nothing. I tried the whole tail lights on a different jeep and that worked fine. All the lights worked fine on the other jeep. I checked the fuses all are fine I even pulled them all out and checked. I had no guide to tell me which fuse under the dash was for what so check them all. Not one of them was blown so I bought a new Neural safety switch from auto zone. Still no back up lights. Any ideas what could possibly fix my back up lights?

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@notstnick what year is your Jeep? That way we can provide you with the proper wiring schematic and diagrams.

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Hi @notstnick ,

You might have blown the circuits in the BCM (Body Control Module). Not sure re your particular vehicle but nowadays a lot of the lighting circuits are controlled by the BCM

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I have a the identical situation. 2006 Jeep Grand Cherokee 4.7L Limited.

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Reverse lights work off your reverse switch on your gearbox (transmission). It is possible that the switch is faulty or sensitive to a specific voltage. LED's generally require an inline stabiliser to work. If it says plug and play then it should work.

Neutral safety switch won't do anything for your reverse lights. If you can get to the reverse switch and you're handy with a multimeter, you could try checking the voltage coming from the switch with ignition on, engine off and in reverse. If not showing any voltage i'd suspect the switch. If showing voltage. Go to the tail lights and see what voltage is showing at the reverse light plug. If nothing suspect the wiring between the switch and plug.

Are there fuses under the bonnet (hood) also check those too.

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The reverse lights are incorporated in the Neutral Saftey Switch on 1999-2004 Jeep Grand Cherokee - It is located near the shift cable on the transmission body on the drivers side. If the issue is with a 4.7 L V8, then the switch assembly is located inside the transmission housing. The fluid pan must be dropped for access.

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