Question about 2003 Honda Accord

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Turn signals are not working.

Turn signals (and hazards) are not working. which fuse should you check? There is not a clearly marked one.

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SOURCE: turn signals and hazards won't work

Was there any electrical issues other than this? Was there anything done to replace an electrical part or a stereo, gps, or other devices added to your car? Was a wire spliced or any wires cut that your aware of? Maybe the tail lights wiring have been altered to add as a source for connecting a trailer wiring harness? Try removing the **** shell around the ignition and carefully inspect the wiring in and around for loose, faulty or wires that may have been cut. Youll want to disconnect the battery first so you wont accidently create a short or spark that could create a bigger problem! Inspect your turn signal switch while you have the **** shell removed and make sure the parts are all intact and functioning, as well as the hazard switch. Could also be that theres simply a wire or wiring harness that had been disconnected while someone was working on another area related to the area where the problem is occuring. Hope this info is helpful or at least leads you in the direction of locating the problem.

Posted on Apr 18, 2009


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Turn singles and hazards are not working on my 2001 deville

I would replace the turn signal hazard combo switch.

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Turn signals are usually very reliable and problems mostly begin when a bulb is carelessly replaced. Other than this most problems are related to the hazard warning switch which tends to be used so infrequently the internal switch contacts become dull or dirty and so when it is operated causes turn signal problems, including them not working at all.

Usually spending a few minutes rapidly operating the hazard switch puts matters right.
It is also worth checking the fuse(s) before resorting to voltmeters and wiring diagrams.

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Turn signals not working

all else on car works perfectly (other shoe drops??????)
waring 1: no scan tool, you will fail (99%)
is battery fully charged to 12.6vdc rested or at 10v?
all 4 corners dead?
not working means dead?, flashes too fast/slow or dim? or they stick on? (5 modes to fail not counting L/R and haz)
do the hazards work? (prime evidence and not stated)
most cars before 2007 have fuse marked TURN.
but not this car... its not at all like older cars....
did you scan it first after the fuse tests? any PCM scan tool.?
2009 WK jeep
the FSM chapter 8L shows the huge list of errors the lamps can fail. DTC errors.
in fact 8 blinker codes, ! DTC errors,

there is no fuse, just for turns, (trailer lamps fuse 19)

read this excerpt from the FSM book.

The turn signal system operates on battery current received on a fused ignition switch output (run) circuit so that the
turn signals will only operate with the ignition switch in the On position. The hazard warning system operates on
non-switched battery current received on a fused B(+) circuit so that the hazard warning remains operational regardless
of the ignition switch position. When the turn signal system is activated, the circuitry of the left multi-function
switch and the FCM will cause the selected (right or left) turn signal indicator, front park/turn signal lamp, front side
marker lamp and rear tail/stop/turn signal lamp to flash on and off. When the hazard warning system is activated,
the circuitry of the hazard warning switch and the FCM will cause both the right side and the left side turn signal
indicators, front park/turn signal lamps, front side marker lamps and rear tail/stop/turn signal lamps to flash on and
off. The Front Control Module (FCM) can also activate the hazard warning system lamps.
end quote)

the module front control MFC, runs this
and it uses fuse 18 , if 18 blows the module goes off line and vast things fail and huge numbers OF DTCs store.
and fuse 27 MFC
MFC needs these fuses good.
keep in mind nobody has MFC internal

this module drives left and right side front and rear.
electronic drivers, not fuses.
the MFC is here.
the fuses are 12,13,18, 20,27 that power MFC.

25812039-lb3yimx2pwhstnjl4tgwffiq-2-0.jpg ground this end.

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The signal and the hazard lights are not working

as in all elect. issues, fuses first.
check fuses in all boxes or the one clearly marked Turn.

does no working mean dead, or stuck on. not blinking.
or blinking too fast or slow>?

box 1, fuse 17 and 19. usually both dont blow but can if
shorted out lamps or shorted wiring, or trailer hatch hacks, shorteed.

25580808-gqg4vgattcy132cyk4df3qpe-1-0.jpg if the fuse blows, again, the system TURNS is shorted out.
ask for help how to use a meter to find it
or get it serviced.

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the fuse panel is under the dash on the drivers side check all the could be the signal flasher there are two flashers one for the hazard lights and another one for the signal lights,they look the same.they are round and usually silver in colour some of them have a clear cover instead of a metal cover.

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