Question about Chevrolet Suburban 1500

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Afer a heavy rain all electrical functions on the drivers door are dead. lock, windows. mirrirs, seat adj etc. once rain stops and a few hours go by all functions return to normal. this only affects drivers door, all other electrical functions operate normally.

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  • Chevrolet Master
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For sure there was a short in the panel board located on the driver door which is the master control.
If will be good to open the board out and look into without speculating on the possibilites.
But you can start by looking at the power to the unit , if not check for the fuse into this unit from the accessories section/window winder. If mainline has gone then find the positve to the unit or loop with a 15 amps fuse to test.
If power is present then there is a possibility that one of the logic gates( IC) or the sub processor (IC) could have failed.
But In the first place remove and dry using a hair dryer , wash with some petrol if the printed board is dirty( please disconnecct the unit to do this)
I hope you can start with these tips.
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Posted on Aug 29, 2010

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