Recent content by Rob P

  1. R

    Delay wipers

    What color wire gets the Looks like the pink wire gets spliced in to and then into the red wire to the box, which will feed power to the delay circuit. We have a winner! thanks!
  2. R

    Delay wipers

    Well we tried three boxes now, the last coming out or a truck where they were working when removed. I had an electronics guy check one of the boxes I tried and he could find nothing wrong with it. A manual for 78 very specifically says a lead plugs into the acc port on the fuse box. I have no...
  3. R

    Delay wipers

    Tried three new switches and three boxes. Nope, the manual for 78 clearly states that a lead goes to acc port in fuse box. 78 appears to have been a disaster for gm wiring
  4. R

    Delay wipers

    I'm adding delay wipers and I think I'm having the same problem I had when I undertook this endeavour with a 78 Corvette. The truck is a 78 GMC and never had delay wipers. I added the switch and the delay box but still no fun. Everything works but the delay. I read in the 78 shop manual that a...
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