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  1. Chris64

    Do I restore my AC or?

    OK - from what people are saying: * It is reasonable to get my existing system working - which sounds good. * If I need to replace components, I should get R134a, which makes sense. I'll need to switch out at least the compressor and the condenser for R134. * I'm not sure what state my...
  2. Chris64

    Do I restore my AC or?

    Would that also require a different pump?
  3. Chris64

    Do I restore my AC or?

    I thought I typed up this question before but I couldn't find it, so I probably never clicked "Post thread." Anyway, I have the OG AC from 1974. The compressor label says it takes R12 (which seems to be available online still - Amazon). The line from the condenser to the evaporator appears to...
  4. Chris64

    Old school Pioneer head unit, should I or should I not???

    The plus is: you have it and your dash is already cut! That's a good reason to use it. The negative: is it's just a pretty basic unit from an era where they had some awesome head units. Finding one that's still working is a whole different story.
  5. Chris64

    whats every body using.. looking for a new stereo head unit

    I can't wait to start working on my audio. I was thinking Retro AutoSound. Mostly because my dash is uncut and I have a big hole there. If I had a dead stock unit I'd go with a blueTooth marine amp. If it was cut I would stick a DIN unit in there or maybe a double. At some point, the last...
  6. Chris64

    77 K10 - what should I be asking for?

    Sounds nice. There will be a big audience for that truck in AZ. Asking price seems to be between $5-20K. Up to 30K if it has a fresh coat of paint (I assume these vehicles must be meticulously maintained). I saw a 77 K-20 on FB marketplace today that was a frame-off restoration for $85K...
  7. Chris64

    Instrument panel light question

    Just to put closure on this, it appears my problem is the switch in the column itself. I wiggled the harness coming down from the steering column and that sorta brought it back to life but really if I pulled the blinker itself forward and backwards I could get it to start/stop working. The more...
  8. Chris64

    Instrument panel light question

    The light is a 1157 so I believe it's the correct one. The marker light on the side I think is correct. Just because I had it, I put a dash bulb in the side spot planning on changing it but it turns out that bulb is the same as the dash bulb. Weird.
  9. Chris64

    Instrument panel light question

    Updates: 1) The front bulb arrived. That seemed to solve the problem of the blinker light coming on with the headlight. 2) The right dash blinker still doesn't work. 3) The right front blinker also doesn't work on either the front or marker light. The left side toggles between the side and the...
  10. Chris64

    Instrument panel light question

    Can you get a picture of the switch on the brake pedal? I could probably wire that right into the existing tan line and make that light be more helpful. Especially since I have driven with the parking brake on.
  11. Chris64

    Instrument panel light question

    One last question on this topic - the "BRAKE" light in the dash. I was hoping this would be for more than just reporting problems with the proportioning valve, like telling me my parking brake is on. It wasn't working with my parking brake. It does light up when the engine is cranking (I assume...
  12. Chris64

    Instrument panel light question

    ok, now I need to add more detail. It's all incandescent and every bulb has been replaced in the entire car except the front right blinker. I'm not sure if that bulb not being in place could be causing this problem.
  13. Chris64

    Instrument panel light question

    I did not see an instrument panel ground wire...hmm. It's just a harness and the speedo cable and the oil line. I did see a wire grounded to the parking brake bracket so I'll chase it down.
  14. Chris64

    Instrument panel light question

    I've rebuilt the instrument panel with a new housing and new speedometer. This whole project started with almost no dash lights working. I replaced all the bulbs and the only one I couldn't get resolved was the right blinker in the dash (the outside lights are blinking). 100% the cluster is...
  15. Chris64

    Instrument Panel housing

    I couldn't find it and any of those. You're right - I searched and couldn't find them but they were hiding right in front of my face :hahano:
  16. Chris64

    Instrument Panel housing

    My dash cluster is finally looking pretty good, but the white plastic housing is insanely brittle. The left mount tab was already broken and, while putting it back together, one of the top tabs that holds the dash bezel in place just snapped off. I think I can repair it but it's all still super...
  17. Chris64

    Keyless entry upgrade

    I used to install alarms. GM are a pain compared to most vehicles in that you can't just send a signal to the switch wires. You'll need 2 Bosch style relays. IIRC the wiring was 85 to remote controller, 1 to lock and 1 to unlock 86 to power (assuming the remote sends a ground signal) 30 to...
  18. Chris64

    Speedo working but Odometer not working

    OK, So I finally took my whole cluster out so I could address my dead right blinker, the light that powers my fiber cables and of course my odometer. I have the little tumbler removed. It's clearly stuck. I can spin some of the tumblers if I "unwind" it and then spin them forward but once it...
  19. Chris64

    Switching to dumbo mirrors

    I actually do, but it didn't really line up to anything for me. I ended up just eyeballing it. I think I centered the top with the back of the wing-window.
  20. Chris64

    Debugging my AC problems

    I have no idea what's in it now. I really haven't touched it in anyway. This is sorta just the next step for me as I try to put my dash back together. I figured before I take it to a shop to recharge it I should probably replace the leaking things. *shrug*
  21. Chris64

    Debugging my AC problems

    OK - I'm high-jacking my own thread with a question that is still on topic. AC systems in these vehicles seem pretty simple as far as parts go. a compressor, a couple vacuum controlled doors a blower and a radiator thing. I don't know how any of it works but I get the idea. The line that runs...
  22. Chris64

    Speedo working but Odometer not working

    So far it seems like my best option is a new speedo ($100) https://www.lmctruck.com/interior/gauges/cc-1973-89-speedometer And for a tach ($110) - I'm unclear if they make one that has a fuel gage. https://www.lmctruck.com/interior/gauges/cc-1973-87-reproduction-tachometers5000rpm and relocate...
  23. Chris64

    Speedo working but Odometer not working

    So now that I polished my gauges and connected my speedo I can actually see how fast I'm driving. Today it occurred to me while taking my truck for a little drive that the odometer isn't moving. I guess I'll be pulling the whole cluster out after all. I'm just curious about two things: 1)...
  24. Chris64

    Rebuilding my dash pad.

    If I had skill to do this, this makes way more sense. Especially that bezel seam, but that has to be perfect. I may end up getting a chance to try sadly.
  25. Chris64

    Rebuilding my dash pad.

    OK, so gluing went sort of as planned. Here's what I learned: * It showed every little imperfection underneath. Most people put a thin padding layer here and I'm guessing that's why. * All the hot-rod shows have the upholstery guys cut a small channel in the foam for the stitch to fit. Now I...

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