Both my tail lights went out and my turn signal doesn't work when i flick it to the left nor does my hazard lights. however, my front light and right signal work but not when i press the hazard. i've switched the tail light fuse because it was blown but the problem still persists. what is wrong with the lights?
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In the diagram for rear lamp, the top wires are voltage, the bottom black wire is ground. The brown wire on either side should be tail lamps, goes hot when you turn on the headlamp switch. The other top wire on either should be for turn signal. With everything turned on, is there voltage on that wire?
Because the front works and the rear don't, possible wiring circuit problem? The voltage for turn signals comes from bcm. The bcm knows when you turn on turn signal switch, either side, then the bcm sends voltage to turn signal lamp at the rear and front.
Ground wire for the rear light. Usually close to the light on older vehicles. Can be all the way up front on newer ones. I usually cut the ground by the plug and run a new wire to any spot on the body.
I don't believe it would be a bad ground for just one light. It could be a wire, a socket connector, or the bulb socket itself. See if the wire has power at the socket when signaling left, with key on. If there is power, probably a bad socket or connector. If no power, check for power coming from flasher-the wire going to front left, or driver's side. If you have power from the flasher, but nothing at the socket, the wire has probably broken. Good luck.
Hey I literally just today had the same problem, put a new bulb in the light was on but did not blink!!!! SUPER EASY SOLUTION, you simply have the bulb in too far. I gently pulled mine out a tiny bit and it started working fine... guarantee that's all that's happening to you!!!
If the turn signal filament of the right front park/turn lamp is known to be OK and the hazard switch is in the normal position, the hazard switch or the turn signal/multi-function switch could be defective
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.
drove mine to the ends of the earth,
there are 4 books,
big main , engine,and one for trans, no PDFs back then so, none sold. just paper books.
its and old car, very old, not too many left run 1988
with that nasty French REniX EFI system/.end rant
I had the 1988 XJ too, a pair of jeeps. then....
i can see your wiring is all messed up
got a voltmeter,
if not only guessing and wire inspections may work
ever consider get a sparks guy to fix it? He can and easy.
for me to teach you electrics in this box, is over the top hard.
id have inspected all those wires, every inch
and #1 is trailer wiring hacks at the rear.
the tails are not tails
if you its Parking lamp after the front parking lamps or side markers can not be called TAIL,but yes, some fuses are still using the old 1884 now TRAIL name
check fuses yet, means test them ones that look good test.
using a METER.
.i see there are shorts on the KEY switch IGN out pin
for sure.!! radio is off key OUT and off.
or that wires IS SHORTED
harness messed up near steering/cluster,big time.
Do you know what a wiring diagram is ? How to use a DVOM - digital volt ohm meter ? Free wiring diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. year make ,model and engine size. Under system click on lighting ,then under subsystem click on turn signals . Click the search button then the blue links .Check power an ground circuits ! This is how we diagnose electrical faults , not just replacing parts .
Voltage is applied through the TURN fuse and the turn/hazard flasher when the ignition switch is in the following positions:
• BULB TEST
The voltage travels to the contact in the hazard switch. The hazard switch is located in the turn/hazard-headlamp switch assembly. This contact is normally closed.
When the left turn signal is turned on, voltage is applied to the following components.
• The left turn indicator
• The left front park/turn lamp circuit 14
• The left rear turn lamp circuit 18
The turn lamps turn on immediately. The current flow heats up the timing element. The timing element is located in the turn/hazard flasher. The timing element repeatedly opens and closes the circuit. This action causes the turn lamps to begin flashing.
The voltage that is applied to the left front park/turn lamp is also applied to the left front marker lamp. If the headlamp switch is in the OFF position, the left front marker lamp will find a path to ground through one of the following lamps. The following lamps provide low resistance paths to ground:
• The right front marker lamp
• The right turn indicator
• The right front park/turn lamps
• The left front park/turn lamps
The left front marker lamp flashes with the turn lamps. The voltage drop across the marker lamp is much higher than the voltage drop across the other lamps. The lamps that are used for the ground path will not flash.
When the headlamp switch is in either the PARK or HEAD positions, voltage is applied through the following components:
• The EXT LP fuse
• The marker lamps
• The park lamps
When the left turn signal is turned on, the left marker lamp will have voltage at both connections. The left marker lamp does not light. When the turn/hazard flasher stops the voltage to the turn lamps, the marker lamp is grounded through the turn lamp. The marker lamp does not go on. The left front marker lamp flashes in the following manner:
• The left front marker lamp flashes on when the turn filament of the left front park/turn lamp goes off.
• The left front marker lamp flashes off when the turn filament of the left front park/turn lamp goes on.
Voltage is applied to the right lamps in the same manner, when the right turn signal is turned on.
Voltage is applied at all times through the following components to the normally open contact of the hazard switch in the turn/hazard-headlamp switch assembly:
• The STOP HAZ fuse
• The turn/hazard flasher
When the hazard switch is turned on, voltage is applied to the following components:
• The front turn lamps
• The rear turn lamps
The following lamps flash on and off:
• All of the turn lamps
• Both of the turn indicators
The front marker lamps flash with the hazard lamps on, just as the front marker lamps flash when the turn lamps are on. If the headlamp switch is in the OFF position, the front marker lamps flash on when the hazard lamps are on. The front marker lights will flash on when the hazard lamps are on if the headlamp switch is in one of the following positions:
When the hazard lamps are on, the following conditions apply:
• The turn circuit is always open.
• The turn/hazard flasher controls the lamp.
Voltage is applied through the EXT LP fuse, to the headlamp switch at all times. Voltage is applied to the park lamps and the marker lamps when the headlamp switch is in the following positions:
The front marker lamps are grounded through the turn filament of the respective front park/turn lamp. The front marker lamps light as a result.
Voltage is applied through the STOP HAZ fuse to the brake switch at all times. When the brake pedal is depressed, the brake switch closes. This action applies voltage through the turn/hazard-headlamp switch assembly to the following lamps:
• The high mounted stop lamp assembly
• The left tail/stop-turn lamps
• The right tail/stop-turn lamps