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  1. 84_c10_GMC

    New guy needs help with butterflies

    Welcome! Let’s see some pictures of this butterfly! Errr I mean truck!
  2. 84_c10_GMC

    84 gmc fuel pump question

    Have an engine from a ‘73 Monte Carlo in my 84 c10. The 73 had a 2 line pump on it. The 84 truck has 3 lines from the tank. 2 at the pump and 1 that goes over to the evap canister that has been removed. My question is should I put a 3 line fuel pump in to attach the 2 lines near the pump? Or...
  3. 84_c10_GMC

    Classiccarwiring.com colored wiring diagrams

    No from classiccarwiring.com delivered to the house for $36
  4. 84_c10_GMC

    Classiccarwiring.com colored wiring diagrams

    Just wanted to share my colored wiring diagrams for everyone that hates trying to read the basic diagrams you normally find! They have several years of trucks available. Square bodies being the most modern!
  5. 84_c10_GMC

    What have you done to your square lately??

    New harness is installed, just need to get starter back in and wired up. Still need to pull new wire for fuel level to tank, and hooked up but need to drop tank and dump old fuel out. Both oil pressure gauge sensor and oil switch sensor installed in back of intake. Once I get wiring all...
  6. 84_c10_GMC

    One more electrical plug identification

    Yea figured that out after I looked again. I’ve got a new fitting on the way to put both sensors there. As I have been unable to get the plug above the oil filter to come out…
  7. 84_c10_GMC

    One more electrical plug identification

    Sounds good thank you! And yes I’m pretty sure one by distributor is 1/4” npt . But this block is an older block, 73, so I may need to verify there is a plug above the filter.
  8. 84_c10_GMC

    One more electrical plug identification

    By where the wires are they can go above the oil filter. The oil pressure gauge plug came out with the distributor wire.
  9. 84_c10_GMC

    One more electrical plug identification

    How about this one? I forgot I need to look at that plug still verify 2 or 3 prong. But looking at pic again you’re right appears to only have 2 terminals...
  10. 84_c10_GMC

    One more electrical plug identification

    Yea I hate trying to decipher thru the black and white diagrams. Found these off another forum and was like yup I’m getting those!
  11. 84_c10_GMC

    One more electrical plug identification

    https://classiccarwiring.com/ This is where I got the colored wiring diagrams
  12. 84_c10_GMC

    One more electrical plug identification

    No worries! I appreciate the help just trying to get this one right while I’m here instead of just making it work.
  13. 84_c10_GMC

    One more electrical plug identification

    I have colored wiring diagrams on the way!
  14. 84_c10_GMC

    One more electrical plug identification

    I do have a gauge and it’s the only wire left at this point that could go to the temp sensor. I just need figure out how to run it up to the sensor now and not burn it up on the header. Thanks.
  15. 84_c10_GMC

    One more electrical plug identification

    I will have to look this evening after work to verify if it’s 2 or 3. I know 100% it has 3 slots. 2 vertical 1 horizontal.
  16. 84_c10_GMC

    One more electrical plug identification

    It’s a 3 wire plug. And has a female blade connector on each oriented like that plug.
  17. 84_c10_GMC

    One more electrical plug identification

    Is this it? Only one I can find on orielly page but doesn’t say for the truck…. https://www.oreillyauto.com/detail/c/precision-fuel-pumps/precision-fuel-pumps-3-terminal-oil-pressure-safety-switch/pfp0/z13061/v/a/3778/automotive-truck-1984-gmc-c1500-pickup-rwd?q=Oil+pressure+switch&pos=15
  18. 84_c10_GMC

    One more electrical plug identification

    The 3 wire one? It has a hold down for either the back of the head or bell housing. And wire harness said for oil sensor above filter.
  19. 84_c10_GMC

    Is this part of the evap system?

    Thanks that’s what I was thinking after someone above had said cruise. And made more sense than smog like I originally thought.
  20. 84_c10_GMC

    One more electrical plug identification

    ok this should be the last one! I hope lol. I believe the one green is coolant sensor wire but just seems odd location out of the harness. The other I’m not sure what it is. 3 wire plug with a lock clasp around it that holds it on to wherever it goes. Pink blue and light blue wires out of it...
  21. 84_c10_GMC

    Is this part of the evap system?

    Will also get a better picture. As the plug plugs into another connector about where my hand is.
  22. 84_c10_GMC

    Is this part of the evap system?

    Truck originally had cruise also but someone took the pod out.
  23. 84_c10_GMC

    Is this part of the evap system?

    Was originally a 700r4 but has a turbo350 now.
  24. 84_c10_GMC

    Check out my rear end

    I figured cost had gone up a good amount for them. Thanks
  25. 84_c10_GMC

    Check out my rear end

    Curious what the driveshaft cost you to have made. I am needing one for my 84.

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