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1988 GMC Sierra- brake / signal lights
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Jstu
New User
Jan 31, 2009, 4:43 AM
Post #1 of 2
(1614 views)
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1988 GMC Sierra- brake / signal lights
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'88 GMC pickup, 350, 5 spd, 185,000 miles. When I turn on either turn signal, it flashes slow and the radio lights flash with it. When I apply the brakes, the flash speed increases until the brakes are released. If I have the headlights on, they won't flash at all. Have checked fuses and replaced bulbs. The dash lights quit working a long time ago but until recently, everything else worked fine.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 31, 2009, 5:51 AM
Post #2 of 2
(1613 views)
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Re: 1988 GMC Sierra- brake / signal lights
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This smacks of a ground problem. Try adding ground from engine to body then body to dash metal with jumper wire. Look for a broken ground strap and replace or clean it up if you can find a bad one. They put them all over the place - some just eyelet end braided wire.
It might be easier if the jumper works and nothing OE found wrong to prudently add a ground strap to the part that needs it,
T
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