Had my turn signals on turning left, all of a sudden the turn signals stopped and will not work anymore. The hazards also do not work. I put the signals on, either left or right, and nothing happens. No fuses are blown, I checked them all.
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May 9, 2014 - Uploaded by mars1952
Turn Signal and Flasher Repair JD4300 Recovered Part 7 ... I bought a 4310 new in 2004 and I know these are great tractors, not the ... I have a John Deere 4400 and I wouldn't mind putting a set of those on it to protect the lights. .... Ford Explorer 2003 - MyTurn Signals Stopped Working - Duration: 2:15.
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
my 91 Montero did the same thing, I finally traced it to a bad rocker switch for hazard lights. The switch was broken and it messed up brakes and turn signals. Check your switches that they work and rock properly. My hazard switch was binding turning on and off causing a short. Got a new hazard switch that worked freely and suddenly everything worked right. The problem drove me crazy, and I did replace the turn signal lever assembly first, brake switch, turn signal relay. I found dash switches on eBay.
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
Stop lamp an hazard lights work ?
The body control module (BCM) is responsible for controlling the turn signals and hazard lamps. When the turn signal switch is placed in either the left turn or right turn position, the BCM receives a signal from the turn signal switch. The BCM then sends an on-off voltage signal to either the left or right turn signals and their instrument panel cluster (IPC) indicator. When the hazard switch is pressed, the BCM receives a signal from the hazard switch. The BCM then will send an on-off voltage signal to all the turn signal lamps. All the turn signal lamps will flash including both IPC turn signal indicators.
Repair an open, high resistance, or short to ground in the inoperative turn signal supply voltage circuit. Refer to Circuit Testing and Wiring Repairs .
Did you complete the repair?
Take the turn signal lever and jiggle it, a lot. If they start working, the switch is bad. You can also turn on the hazards and take hold of the button and push it left , right , forward and back and see if they start working. If so, replace the turn signal/ hazard switch.
It sure sounds like a short in the left signal circuit. I can't say where the wires are routed but you may have one with failed insulation or pinched under some hardware.
You could avoid repeated fuse replacement if you buy a cheap digital multimeter from Radio Shack (if you are in the US) or alternately, from an auto parts store. One adequate for this would be under $20 US.
Some have a continuity checker that sounds a 'chime' that stops when the resistance level rises a bit.
Since the meter could be damaged if the short clears, it would be smart to disconnect the negative side (ground) of the battery.
Putting the probes across the fuse contact will simulate the fuse for this checking but it will not let your signals function.
I would punch the probes into the fuse holder, put on the left turn signal and start removing bulbs and checking the routing of the wiring.
When the chime stops, you have found the culprit.