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Old 11-19-2013, 12:52 AM   #1
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Help with electrical issues

http://youtu.be/gN8vVyrsi-o

Watch this video and tell me if you can help pinpoint a problem.

None of the brake or signal lights work.

I recently had a very extended hard winch pull. Winched for about an hour. Battery seems okay. Would this be a cause?

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Old 11-19-2013, 10:43 AM   #2
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Is the ground wire for your winch connected securely to the battery? No corrosion?

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Old 11-19-2013, 12:06 PM   #3
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Is the ground wire for your winch connected securely to the battery? No corrosion?
Directly to battery. No corrosion it's about a month old
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Old 11-19-2013, 09:43 PM   #4
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Do the hazard flashers work?

Could be fuses but my guess is multifunction switch that has the turn signal lever attached, the brake lights also run thru it as jeep uses American style lights where brake and turn lights are same filament in tail lights so multifunction switch decides which to flash and which to go on steady for brakes
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Old 11-20-2013, 11:41 AM   #5
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Do the hazard flashers work? Could be fuses but my guess is multifunction switch that has the turn signal lever attached, the brake lights also run thru it as jeep uses American style lights where brake and turn lights are same filament in tail lights so multifunction switch decides which to flash and which to go on steady for brakes
Occasionally they work. It's on and off for everything
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Old 11-20-2013, 12:05 PM   #6
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I would guess bad ground somewhere. The reason I asked about the winch is if the negative cable was not on all the way the winch could have been pulling power through a circuit like your lights, melting the ground wire for that system because of the high amperage draw.
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Old 11-20-2013, 12:12 PM   #7
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Since you verified both winch cables are connected directly to your battery, I really doubt your winching session had anything at all to do with that problem. It looks like you have an intermittent ground connection somewhere, I'd start checking every ground connection you can find.

For others reading this thread, keep in mind if you ever install a winch, ALWAYS install BOTH winch power leads directly to the battery. Taking a shortcut and just connecting the winch's black ground cable to the chassis instead of to the battery will start popping ground connections throughout the Jeep on a heavy pull. There aren't enough big ground connections in a Jeep to handle the >400 amps a fully loaded winch can pull.
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Old 11-20-2013, 02:46 PM   #8
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For the more simple minded like myself, one of the benefits of replacing my 7 year old battery with a Sears Platinum P4 is the fact that it offers two sets of terminals, one of which can handle a winch install quite easily.
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Old 11-20-2013, 06:55 PM   #9
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Both the mfsw and #1 fuse in my jeep were popped. I replaced them both and within 5 turns of signalling both popped.

I recently lost all guage background lights and the turn signals do not turn on at all. She's going to her mechanic tomorrow. Thanks for all the help.
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Old 11-25-2013, 05:25 PM   #10
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Just went through the same issue. Did you get the interior wet at all? Take off your gauge cluster (very easy to do) and check for any rust or corrosion. Also, check the connectors to your battery. I upgraded to heavy duty connectors from Walmart and also gave each terminal a very good cleaning. Most of the issues went away.

Also, I found the more I drove my jeep, the better the situation got.

In the end, it might be the multifunction switch in the steering wheel needs to be replaced.

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