Question about 2000 Jeep Grand Cherokee

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Left rear stop light goes out when braking with lights on

Have checked all fuses they are ok. swap tail light assemblies and the same problem still occurs.only happens on driver's side.

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  • jessetriguy Jan 27, 2009

    I have a similar problem. When my brake light went out I replaced the bulb. That seemed to fix the problem BUT now when I turn on the headlamps and step on the brake that brake and tail light goes out. What happened?

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The light that is going out is probably not the problem most comonly the light that stays on has a weak ground so it robs the ground from the left light .corosion rust or a broken wire

Posted on Jan 26, 2009

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You need to follow the ground wire for that socket... most likely two ground wires... unscrew it from the frame and clean it up so it makes a better contact... reattach it and should be good to go.

Robert

Please take a moment to rate this solution... thanks

Posted on Jan 26, 2009

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How do i replace left rear brake light bulb


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My dashboard and rear lights don't work


Assuming this has the V6, the 15A PARK LPS fuse in the underhood fuse block feeds constant power to the auto park lamp relay. When the relay closes, 12V power passes through the 10A INST LPS fuse in the right instrument panel fuse block to the panel dimmer switch and then to the five instrument cluster lamps.

If by "rear lights" you mean everything in the rear lamp assemblies, power for the tail lights (running lights) starts at the 15A PARKLAMP fuse in the underhood junction block, passes through the automatic lamp control (ALC) relay and the right instrument panel junction block to the tail filament of the dual stop/tail lamp and the separate tail lamp on each side. The 12 V power for the stop lamps is protected by the 20A STOPLAMPS fuse in the left I/P junction block, passes through the stoplamp switch when brakes are applied, stop filament of the dual stop/tail lamps. That leaves the turn signals and the hazard lamps. Power for the turn signals originates at the 10A TURNLAMPS fuse in the left I/P junction block and is applied to the hazard switch. Switch output goes to the turn/headlamp/wiper switch for selection of left or right turn signals. That switch output goes to the turn lamp. Power for the hazard function begins at the 10A HAZRD LPS fuse in the left I/P junction box and goes to the hazard switch. Switch output is sent to the left I/P junction box to make the turn signals flash. That's it. Post a comment if you need more information.

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I have a 1989 Buick Park avenue. A month ago all of the back lights stopped working. Tail lights, brake lights, reverse lights.


Check your fuses underneath the drivers side steering wheel. Flip the plastic cover over and there will be a diagram showing the fuse that controls the taillights/stoplamp. Pull the fuse out and replace it with the same number fuse and your taillights and brake lights will work again. If the fuses are ok, pull each taillight bulb out and replace it with a new bulb. Sometimes when one light bulb fails, all of them will fail.

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1 Answer

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May 23, 2009 | 2005 Chevrolet Silverado 2500HD 2WD

1 Answer

Parking and tail light short


OK ... being as you've ripped the entire interior out things might be easier to disconnect now .... I suspect the dash light dimmer assembly (I don't remember but this vehicle may even have a dimmer fuse??? check the owners manual ...) which goes to many lights and if damaged shows a dead short (has the radio ever been changed?) I would first disconnect the dimmer assembly (cluster lamps) (that will eliminate that circuit) replace the fuse and try turning the parking lamps on ... if the fuse blows again ... it's not the dimmer cicuit ... then ... You will measure a short when checking continuity between negative battery terminal and the light circuit as the filaments in the lamps will read continuity but it should show some resistance and not a dead short under normal conditions. I would then disconnect the harnesses going to the rear of the car located in the left kick panel and or the right kick panel .... the way you will solve it is to work one section at a time ... and a bunch of fuses ... trial and error then focus on the suspect section ... the thing that gets me is: you say the short goes away (on the meter) when the brakes are applied or left turn signal. So it might be in the rear harness ... I would also inspect the left rear light assembly and the harness to it (possibly a bad ground) good luck and let me know what you find

May 01, 2009 | 2004 Honda Accord

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Left rear brake light stopped working but bulb and fuses are OK.


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