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Old 02-25-2011, 09:30 PM
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courtesy lights

ok I have a 1983 Buick park avenue and the courtesy lights fuse popped after I slammed a door too hard and now it pops fuses immediately what could have happened? my door locks are on the same fuse but kept blowing fuses but I unplugged them now the courtesy lights are doing this

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Old 02-26-2011, 03:57 AM
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Sounds like the wires that pass from the door into the vehicle are broken/shorted. Pull the rubber boot between the door and the A pillar and see if you can find chaffed wires etc...
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Old 02-26-2011, 09:57 AM
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I removed all wires from the door and cut them and it still blows fuses....
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Old 02-26-2011, 10:12 AM
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You have a short to ground between the fuse and the lites. Find it.
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Old 02-26-2011, 11:50 AM
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Courtesy lights of this vintage have constant 12 volts power applied to one wire, and they are turned on my a door switch that grounds the wire running to the other side of the lights. If the wire was grounded on the door side it would just leave the lights on all the time, and it would not blow the fuse. However, it sounds like the wire running from the fuse box to the lights is grounded.

The wires to the lights should be orange (power) and white (ground). Can you find those wires where they run under the edge of the dash (assuming at least one of the lights is up under the dash and pointing down to the footwell)?

You need to trace the hot wire (should be the orange wire) back from the light to the fuse box and figure out where it is grounded. It might even be one of the light sockets that is grounded on the hot side.

Bruce
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Old 02-26-2011, 02:23 PM
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Remove the bulbs and see if the short goes away. Also check for a bad socket that could be causing the short.

vicrod
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Old 02-26-2011, 02:55 PM
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After careful consideration:
My recommendation would be to jack up the radiator cap...











and drive a different car back under it.




(Sorry ... couldn't resist. I HATE electrical gremlins and stories of hacked wiring harnesses.)
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Old 02-26-2011, 06:53 PM
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what are the chances of it being in the fuse box since the door locks started doing this now the lights...they are on the same fuse
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Old 02-27-2011, 07:30 PM
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Good chance ,especially if this car has been flooded at some time. Clean everything up and see what you find.
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