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  1. 4

    No voltage at AC clutch wire

    So I installed my reman AC Delco compressor and tried everything I could to get the clutch wire on the truck to give the compressor 12V. At no point will it do that. I even put 2 cans into the system...clutch won't engage. AC light on controller just flashes. What a headache. Is there a way...
  2. 4

    Blower Motor Resistor Did not Fix Fan

    All, just put a blower motor resistor in there to fix my issue where my fan only works on High (i only have 3 speeds on and a digital dash). I checked the three relays on the blower motor housing and swapped them one by one with a known good relay and the same. I cannot get low and medium to...
  3. 4

    HVAC Won't Blow From Dash only Floor or Windshield

    My HVAC won't blow from the face outlets. Only floor or windshield. I have that digital HVAC with the recirc button. If I tell it blow from the face outlets it will close them off and you can hear the blower motor working hard without anywhere for the air to go. When you put it to floor or...
  4. 4

    AC compressor port on back left? Leaking from snap ring - what is it?

    I found a leak on my compressor. This port off the back side of the compressor itself is slowly hissing. The compressor works and keeps the interior cool but that port leaks down to the point where the clutch won't lock anymore. Can I reseal what is there? It looks like a snap ring holding...
  5. 4

    Good R134 adapters

    My new to me truck needed AC charged. There are adapters on the R12 hoses to fit R134 adapters BUT the schraders are leaking. Can anyone recommend an adapter that works with the R12 valves in place or a kit that will work on the low side after I remove the stock schrader?
  6. 4

    Factory tow mirrors?

    My C2500 454 has tow mirrors. They are stainless and really nice. I can try to get a picture today. My question is: are they factory? There are nice plastic covers where the factory mirrors go. My friend says they are factory or at least dealer installed. I didn't think there was such a...
  7. 4

    454 Oil Cooler Delete

    I am looking to delete the radiator oil cooler on my truck. I found this article but just wanted some clarity. If I understand the article correctly I just buy 2 pipe plugs and remove the 1 check valve. Everything else stays the same? Or is there an adapter that the oil filter is attached to...
  8. 4

    NV4500 454 Clutch Question

    Just got my 2wd 454 and its awesome. My only complaint is that the clutch engages pretty high on the pedal. Usually on other vehicles this was a sign of clutch needing replacement. I think the clutch on this needs replacing because of that. What I was wondering is if anyone else has...
  9. 4

    Why is my stock 92 Radio "Frozen"

    Picked up a 92 GMC SLE and the stock radio is frozen for a lack of a better term. I can turn it on and off but it only shows 1:00. Can't turn up volume or do anything else with it. No sound of course. The tape player/equalizer thing is dark. Am I doing something wrong or is there a fix for...
  10. 4

    New Member Looking to Buy a C2500 454tbi 5 Speed

    Hello folks - I am looking at a nice 454 2wd 3/4 ton 5 speed! I've always had Mopars but something about a TBI 454 with a 5 speed makes me intrigued. Can anyone shed light into whether the transmission is an NV4500 and if the rear is a full float 14 bolt? I looked under and it was a 14b but i...

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