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  1. Huckleberry

    Thermostat

    1978 GMC K15, 350 crate engine, no mods all stock. What is the best thermostat for my daily driver?
  2. Huckleberry

    Splash guards

    Looking for front fender splash guards- 1978 GMC K15. I have big openings from the inner fender and frame. I could find them at LMC but they where for 81 and up. Anyone have a resource? Thanks
  3. Huckleberry

    Left Turn signal . doesn't work

    Help need advisement! HELP. 1978 GMC K15. Left turn signal when turned on only lights up on dash as a solid light, no blink. Both left side turn signals front and back do not work, Right side turn signal is good. No running lights either side left or right???? in the back of the truck. Brake...
  4. Huckleberry

    battery issues wont start

    Need Help- 1978 GMC K15 350ci engine. Truck has 2 batteries. Batteries have run dead over night, 10 volts on the meter. I can jump start the truck and the batteries will carry 11.3 volts, then you can here a very noticeable click ( like a metal ping). The volt meter will jump to 13 or 14...
  5. Huckleberry

    Dead battery

    I have a 1978 K 15. The truck has 2 batteries. The passenger side battery ( starter battery) went dead last week. I replaced it with a new battery, it was 7 years old. The truck sat for 3 days and the new battery is dead????. I didn't see any fluctuations in the volt meter or any...
  6. Huckleberry

    Need Help- new horn install

    I have to replace the entire horn assembly on my 1978 GMC K15. Where is the safest place to drill in the firewall to run the horn button wiring?. Truck has no AC unit. thanks in advance D

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