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Relays Tripping

Discussion in 'Technical Q&A' started by limetime55, Jun 13, 2009.

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  1. limetime55

    limetime55 Rookie

    Nov 27, 2008
    25
    Pennsylvania
    Full Name:
    Chris
    #1 limetime55, Jun 13, 2009
    I finally got my new 1975 308GT4 on the road and as I was driving I could hear some clicking sounds from the relays under the floor. I checked under there yesterday re-seating all the relays and everything looked fine. The car sat for along time and I had to toggle some of the switches to get some things working again. Any Idea what would cause this, bad relay, something shorting.
     
  2. Paul_308

    Paul_308 Formula 3

    Mar 12, 2004
    2,345
    #2 Paul_308, Jun 13, 2009
    Your GT4 has these relays:
    Main - provides power to radiator fans, window motors, heater fans, turn signals, and gauges.
    4 relays for Headlight functions - discount those
    Horn - discount that
    3 relays for Radiator fans - possible but check if fans are on/off during the clicks

    Chances are your problem lies with the Main relay. First off, notice if you are
    loosing power to function mentioned in 'main' above to rule out the Main relay.
    The main relay is energized by the ignition key which could be intermittent.

    You could use a good wiring diagram which is what I used for this information.
     

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