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Old 01-17-2018, 07:38 PM   #1
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No brake lights or turn sigs

Hello I am a first time poster. I have a 2005 SE ZX4. Problem is I have no brake lights, turn signals or hazard lights. I have already checked the fuses and there were 3 blown. Cig lighter, GEM turn signals, and liftgate release. Not too worried about the cig lighter. But have already taken off the hazard button and turn signal switch and the fuse still blew. Also disconnected head lights with same results. Also inspected rear lights and bulbs. Their is still a clicking sound when you activate the turn signals and hazards just no lights. Also, the tail lights work when the headlamps are lit. Any help would be appreciated.


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Old 01-17-2018, 08:01 PM   #2
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Hello, welcome to FF.

That is a somewhat common problem in Focus hatchback cars.

Inspect and repair the wiring inside the rubber umbilical sleeve, located in the back, between the hatch door and car body.

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Old 01-17-2018, 08:10 PM   #3
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Whoops, I thought you had a hatchback, then saw after my post you have a ZX4, a sedan, right?

The same problem can happen in the sedan, but is not near as common, nor as severe as you described. Sedan or hatchback, check the umbilical wiring first.
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Old 01-17-2018, 08:59 PM   #4
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Yes it is a sedan.
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Old 01-17-2018, 09:51 PM   #5
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Yeah, with a sedan, I can't imagine that problem (3 fuses blown) could be faulty rear umbilical wiring.

Maybe the cig lighter fuse blew-up before the other two? -and was a separate event. Did you replace the cig lighter fuse, and did the fuse blow a second time? THAT would be very strange if it blew-up again... assuming you are not currently using the cig lighter socket to charge a defective item.

Any chance you or a previous owner tapped into the cig lighter circuit to power an added widget? -aftermarket lighting or stereo?

The obvious guess is that some wiring (somewhere) is damaged and should be a black & burned mess. A slow visual inspection of any/all exposed wiring would be one of my first steps; inside the engine bay and under the dash.

Second step = multimeter testing. This would prove the electrical short/s, and help in the physical search.
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Old 01-17-2018, 11:06 PM   #6
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Yes there is definitely a short in the cig lighter as I put in a new fuse and it blew when I pushed the lighter in. The lift gate release fuse did not blow when replaced. Could this GEM have anything to do with it?
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Old 01-18-2018, 12:08 AM   #7
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Gotta be careful, with exact info, as this goes forward...

"pushed the lighter in"

The cig lighter circuit is usually stand-alone, and it provides power to nothing else. This fuse should not blow unless the socket or circuit wiring is messed-up, -aka shorted. So I guess, you are you using the cig lighter glow-plug to get it red-hot, and light a cigarette, right? IF YES, please do not use that glow-plug again. Next: replace the fuse, THEN see if the fuse blows-up again without using the cig lighter port.

If the fuse does NOT blow-up while you are NOT using the port, then you can kinda-sorta believe that the cig lighter circuit-wiring is OK. After that, please try using a phone-charger in the cig lighter port (or any similar low power device); does this work? -and does this NOT blow the fuse? Later, try a different cig lighter glow-plug. Does this new/different glow-plug also blow-up the cig lighter fuse when you push it in?

I have other comments and questions, but I have some family stuff going on atm. CU later or tomorrow.

The other circuits, the other fuses, are not on my mind atm. I do not think your GEM is faulty. Also, the GEM has nothing to do with the cig lighter.

Which fuses are currently blowing-up, while NOT using the cig lighter. Stop using the cig lighter port until other things are sorted out.
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Old 01-18-2018, 10:10 AM   #8
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Found a piece of metal shorting out cig lighter in socket. Part of an old adaptor or something. Well that is fixed. Now on to the main problems. Thanks for your input Marde.
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Old 01-18-2018, 06:57 PM   #9
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Quote:
Originally Posted by mrpicky View Post
Found a piece of metal shorting out cig lighter in socket...
Good catch, good fix.

I think the "liftgate release" fuse that you replaced will blow again in the near future. This might be tied into the other problem; your "GEM turn signals" fuse is still blowing-up right? What are these two fuse numbers?

I have wire diagrams for the 2004, and not for the 2005, so I can't give you hard facts for your 2005.

Please inspect the wiring inside the trunk rubber umbilical.

Also, there are two electrical connectors behind the panels inside the trunk, on the left side (drivers side) that contain some of the wiring for both liftgate release & turn signals. You might need to get inside this area for inspections or repair work... TBD. Oh, BTW, you might want to disconnect these connectors as a test. With these 2 connectors disconnected, see if the GEM turn signals fuse blows-up or not. edit: during this test, operate-exercise the trunk release and the turn signals.
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Last edited by Marde; 01-18-2018 at 07:03 PM.
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Old 01-18-2018, 07:49 PM   #10
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The GEM turn signal fuse is #32 and the liftgate release is #37. And the GEM fuse is still blowing. I even disconnected the brake light switch(es) and the fuse still blew. But I will inspect the trunk area even better than I have as I think this is where the short is. Thanks again Marde.
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