Question about 1998 Jeep Grand Cherokee

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No back up lights on 1998 jeep wrangler bulbs ok

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Check for blowin fuses,

Posted on Dec 01, 2012

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If the engine is running, and the brake lights work, and the transmission is in reverse, and the backkup lights are not working, then the bulbs are burnt.

If the brake lights don't work also, then there is probably someting wrong with the wiring.

I hope this helps.

Posted on Dec 01, 2012


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SOURCE: 1998 jeep wrangler sahara brake, tail and turn signal wont work

Did you go off road in the mud or woods?If so the connecting plug where all the connect probably has gotten disconnected.I think it is near or between the fuel tank and rear bumper.

Posted on Aug 31, 2008

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SOURCE: 2000 Jeep Wrangler, electrical issue

if the 3ed brake light works , rapidly move hazard switch back & forth & recheck, if they now work change turn signal switch , they are being canceled by switch

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SOURCE: 2006 jeep wrangler tire pressure monitor light on.

unhook the hot cable + for 30sec an hook back up that will clear the warning light

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on the transmission

Posted on Feb 03, 2009

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SOURCE: 1998 Jeep Wrangler 2.5 liter motor timing specs?

you could have vacumm problems making it seem like the timing is off, but the other guys are right on the timing!!!! it could be throw-body problems, like crack manifold problems. This year has thhis type of problem sometime. Try spraying WD-40 around the vacuum hoses, & manifold to see if the motor changes rpm????

Posted on Feb 14, 2009

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1998 Jeep Wrangler. Front blinker lights blink properly left and right side but both back lights blink at the same time when either blinker is on. But when you press the brake pedal, both back lights stop...

the are shorted, that line,
inspect the harness to both.
good news. the TJ book is free. click wiring,at end.

see that.?
pdf page 19 is index page
the are called Turns sigs.
by jeep
luck for you the car has no computer here, like my JK has.
pdf page 132
see that?
its just a switch and 2 wire feeds and 2 lamps each side.
id say the harness is shorted
and top billing is uhaul trailer hitch hack jobs.
or worse if hillbilly job. (wire nuts fell off, LOL)

you do know that lamps can short in side right?
the metal shell of blub loose and then shorts.
test the lamps 1 by one, in car, or out.
if the bases of bulbs are not loose, they are ok, if they glow.

the combo switch has 4 pins for turns.
2 for front L/R
2 for rear L/R
the internals, im not sure, what can go wrong inside that.
to prove is , combo, , wires or bulbs?
well ,id try to new blubs, they are dirt cheap and way less work
inspect the whole rear harness? any hacking here, or collision damage? harnesses? at these points;

to prove the combo ok
pull C322 conn, and test the 2 rear pins 3 and 9 of combo jack
(back probed) with a 12vdc test lamp.
see if it falshes ok,. if ok the harness is bad.
see pdf page 140, for just this.

Feb 22, 2015 | 1998 Jeep Wrangler

1 Answer

Fog lights will not work on 2001 jeep wrangler bulbs are good, relay in main fuse box ok

check your grounds on your fog lights make sure they have a good ground.GOOD LUCK.

Oct 23, 2009 | 2001 Jeep Wrangler

1 Answer

1998 Jeep Wrangler Sport tail lights don't work. Stop lamps, turn signals, reverse lamps all work. Everything seems to work except the tail lights.

if the bulbs are good, the only thing left is the headlight switch, or wires. black/yellow wires from the switch all the way back to bulbs. ck power to the bulbs first. if no power, then ck power at switch.

Oct 21, 2009 | 1998 Jeep Wrangler

1 Answer

98 jeep wrangler headlights wont turn on

I would check your headlight relay switch that is located in your steering colum

May 19, 2009 | 1998 Jeep Wrangler

1 Answer

Left flasher dead, right on works

double check your bulbs again, if still good
check your flasher


May 09, 2009 | 2005 Jeep Wrangler

1 Answer

98 Jeep Wrangler turn signals and flashers don't work

The tail lights on the 98 use the screws that hold the light to the body of the jeep to ground the lights. Chances are the wholes that the screws/bolts goes into have a coating of rust around them and are stopping the lights from grounding. This may not be the solution but you need to eliminate this from your list.

Feb 19, 2009 | 1998 Jeep Wrangler

1 Answer

98 jeep tj, dash light/taillights/licence plate light don't work

disconnect head lights, and replace fuse. Then turn the light back on to see if it blow a fuse again. if not, plug on light in at a time. You might have a bad headlight???? then unplug that one if nothing happens. Then plug the other one in. It could also be a bad taillight bulb. I have had bad tail light bulbs. Do all of them, one at a time.

Dec 12, 2008 | 1998 Jeep Wrangler

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