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    dash's Avatar
    dash Posts: 1, Reputation: 1
    New Member

    Jun 25, 2006, 02:46 PM
    80s Chev truck, brake light - tail light troubleshoot
    Help me please. Have early 80s chev pu...
    Front L turn signal light comes on when brake is applied...
    Seen a few of these on the road...
    Could this be a chev problem? Or just an electrical problem? Is there an obvious answer?

    Thanks, David
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
    Uber Member

    May 19, 2007, 07:04 PM
    It is eletrical problem. Could be bad ground(s). A couple of quick test of bulbs and grounds
    Turn on 4 way flashers, check and correct(replace) bulbs as necessary. Hazzard(4 way) is constant live circuit, and turn signals are ignition switched circuits.
    Both run through signal head. Brake switch sounds good.
    Can only be signal head or bad grounds(Bulb sockets).
    Or someone touched wiring. No other possibilties. Bulb sockets Prime Suspect, check back and front sockets.Replace

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