Question about 1991 Jeep Wrangler

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'00 TJ brake and 4way lights not working

The turn signals and reverse lights work, but my brake lights and 4 ways do not work. Where to start troubleshooting?

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Check the brake switch on the brake pedal for your brake light prob. There are 2 wires on the switch, one is 12 volts and the other gets 12 volts when you step on the brake pedal. You can check tis with a test light.

Posted on Jun 17, 2009

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Posted on Jan 02, 2017

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2 Answers

Turn signals 4 way and brake lights don't work


Replace the hazard flasher and brake switch. No year make or model.

Apr 03, 2015 | Cars & Trucks

1 Answer

97 Jeep Wrangler 4 cyl. Turn signals, headlights, parking lights, tail and brake lights, and instrument panel are all out. Only interior light above brake pedal is working. Engine will start.


i think you ment IP cluster backlights dead not warning ligts
that is real the huge parking light structures.
a blown fuse. it is, why not test them ? first.

either cab fuse or the engine bay fuse box.
12vdc on both sides of fuse, is a good fuse, key on.
100% accurate test. no guessing. ever with voltmeter.
(rare exceptions a car with a ground fuse, very rare)
so lets do this the hard way, no fuse tests......

but hark the fsm is free. why not just look at the road map er, schematic, (wiring diagrams)
lets do HL , they are hot all the time, keys lost .

your car is a TJ so having a TJ book is spiffy , no? KEEN?
lets do that. TJ wiring
click TJ
http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

now click wiring, following me?
posted this 100 times,., here.

my guess is parks are dead High beams good, right, ?????
yes then go to JUMP 1.
HL dead highs and low beam? parks out.(aka TAIL)
PDF page # 92
fuse PDC #17 blown? kills cluster dead too
JUMP1: parks dead.
had lamps is fuse #1, jb (page 134 pdf)
then PDC fuse 4 and 10 (lows and highs)

PDC is engine bay box.
JB is cab box.

so my guess (hard way)
fuse 10 and CB 24 was blown. kills high/low beams
Fues1 and 4 only parks. and cluster dimmer feed.

page 134 makes all this childs play with a meter.
volt meter.

Feb 22, 2015 | Jeep Cars & Trucks

1 Answer

Jeep tj problems


That is a sign of a bad bulb, flashing fast. Check that rear bulb.

Dec 31, 2013 | Cars & Trucks

1 Answer

Reverse light work but brake light and rear turn signal doesnt


If your brake lights and turn signals are out, you most likely have a blown fuse, burnt bulb, or a problem in the steering column.----------------------------------------------------------------------
digimaster iii

Dec 21, 2012 | 2002 Ford Explorer

1 Answer

No turn signals,brake lights. have tails lights. all fuses in fuse box under check out ok


The turn signals and the brake lights go through the hazard switch. Try cycling it a few times and see if that solves the problem. If the fuses are good and the 4way's don't work, I would suspect that switch.

Sep 21, 2011 | 1994 GMC Suburban

1 Answer

Have issues with trailer lights. Both turn signals on trailer flash when I use left or right turn signal. Have 7 pin factory plug. Lights on trailer work fine, hooked up to 97 Silverado. Act funny on 2000...


Standard wiring colors are as follows:

4-Way

5-Way

6-Way

7-Way

Green

Yellow

Brown

White

Red

Blue

Purple

Right Turn & Brake

Left Turn & Brake

Tail Lights

Ground

Backup Lights

Electric Brakes

Auxiliary Power
Green- Right Turn and Brake
Yellow- Left Turn and Brake
Brown- Tail Lights
White- Ground
Red- Reverse (Back Up) Lights
Blue- Electric Brakes
Purple- Auxiliary Power

It sounds like your green and yello wires are shorted together somewhere along the length of the harness. I would check the wires on the trailer first. Easier yet, if you have another trailer to connec or access to another to use for testing, connect to it and see if the problem repeats; if it does the trouble is in the vehicle's wiring.

Jun 26, 2011 | 2001 GMC Jimmy

1 Answer

Iv got an 88 F150 4x4 iv got turn signals light fuse is good got power at break switch need no break lights and is there suppost 2 b 1 r 2 wires coming out of fuse box


Do you have power at both sides of the brake switch when the brake is applied? If so it sounds like the turn signal switch is bad. try turning on and off the 4 ways a few times. sometimes this will clean the connections and it will start working.
The power goes through the fuse to the brake switch. from the brake switch to the turn signal switch from the turn signal switch to the tail lights. If the 4 ways are on the power goes through the 4 way fuse to the 4 way flashers then to both sides.
If the turn signal is on and the brake is on, the turn switch cansles the power from the brake and uses power from a 3 fuse and flasher for the side that the turn signal is called for.
If I typed to fast let me know. I can answer any questions you might have.
If this helped you please vote 4 thumbs up. :-)
good Luck and God Bless

Jun 07, 2011 | 1988 Ford F 150

1 Answer

Instructions for wiring a moving trailer connector


accessconnect_logo.jpg


Trailer Wiring Diagrams 4 Way Systems

4 way flat molded connectors allow basic hookup for three lighting functions; right turn signal / stop light (green), left turn signal / stop light (yellow), taillight / license / side marker (brown) and a ground (white).

4%20way%20wiring.jpg 4way_vehicle.jpg 4 way tow vehicle side.
4way_trailer.jpg 4 way trailer side.
5 Way Systems

Same as 4 way system listed above but adds a extra blue wire for brake signal or auxiliary power. Used on pop up camper trailers or utility / boat trailers.
5way_vehicle.jpg 5 way tow vehicle side.
5way_trailer.jpg 5 way trailer side.
6 Way System, Rectangle Plug 3/4 inch by 1 inch 6 way rectangle connectors right turn signal (green), left turn signal (yellow), taillight (brown), ground (white). The red and blue wire can be used for brake control or auxiliary. Use on a small motorcycle trailer, snowmobile trailer or utility trailer. Can also be used as custom wiring on trailers with 3 light/wire systems. See "Tow Vehicle Taillight Wiring" below.
6way_rectangle_1.jpg 6 way tow vehicle side.
6way_rectangle_2.jpg 6 way trailer side.
6 Way Systems, Round Plug

Round 1 1/4" diameter metal connector allows 1 or 2 additional wiring and lighting functions such as back up lights, auxiliary 12v power or electric brakes. Note: The black (sometimes red) 12v and blue electric brakes wire may need to be reversed to suit the trailer. Check with a test light or VOM. Uses: horse trailer, travel trailers, landscaping trailer, car trailer, etc.


6way_vehicle.jpg 6 way tow vehicle side.
6way_trailer.jpg 6 way trailer side.
7 Way Systems

Round 2" diameter connector allows additional pin for auxiliary 12 volt power or backup lights. Uses: heavy duty landscaping trailer, car trailer, boat trailers, horse trailer, travel trailer, construction trailer, etc. Check with a test light or VOM.


7way_vehicle.jpg 7 way RV flat blade tow vehicle side.
7way_trailer.jpg 7 way RV flat blade trailer side.

Jan 01, 2011 | 2001 Pontiac Montana

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