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  1. C

    Voltage drops when turn on electric fan

    Conclusion, I had the alt checked today and it is fine even with load. So the winning guess is number 16 - 67Dart273 with belt slippage. All weekend I kept getting belt chips all over the engine bay. I put a new belt on today and went to tighten the lower bolt through the slot bracket and it...
  2. C

    Voltage drops when turn on electric fan

    Yes it is a one wire alt. I have 2 local car shows this week end, after that I will pull the alt and take it to a local guy here who specializes in alts, starters and elect motors and let him do a load test and then get back here with results.
  3. C

    Voltage drops when turn on electric fan

    Let me answer some questions. Yes it is an internal volt regulator, I also have a ground strap from chassis to the block and the voltage stays low even at higher RPM. One thing I forgot to mention and I am sure it is important. the last time I drove it I had the fan on low speed and when I got...
  4. C

    Voltage drops when turn on electric fan

    My voltage drops from 14-15 to 12 when I turn on my newly installed elec. fan. I did not use the thermocoupler with relays due to confined space. I ran my power source straight off the battery to starter post using 12 gauge wire with 30 amp fuses and 30 amp switches on both speeds. Both speeds...
  5. C

    High torque starter bind issue

    I put this out there before and thought it was the starter it's self so i replaced it and the first 5-6 starts seemed fine. Now it does it more than not. I have a big block 400-470 11:1 cr, thats why the h tq starter. I am using a ford type relay made for h tq starters. Getting 10-11 volts out...
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