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  1. Edward Koleman

    Led conversion (running/turn signals)

    Are you running the led flasher relay with the external ground wire? It will make a difference. I've converted my 87 to all led bulb with original sockets and have not had any problems. If you are running that style relay, it's probably going to be the switchback bulbs giving you the issue.
  2. Edward Koleman

    Can’t get these gauges to work…

    Those three gauges share two different wires when it comes to the printed circuit board. A positive 12 volt switched ignition wire and a common ground wire. Then each one has its own sender wire. Is the voltage gauge working properly, and are the cluster illumination lights working properly? If...
  3. Edward Koleman

    Help identifying under dash connector

    Since the wire is pink/black and purple, that connector would be for the neutral safety switch for a clutch setup. I dont have my diagram in front of me to see where it connects for the auto trans, but that is what my 87 had before i did away with that circuit altogether. It is the same style...
  4. Edward Koleman

    1987 GMC V2500 TBI 350/TH400 Thermostat Help!

    Why not pop your old thermostat out and see which one you have? It will be stamped on it. Then you will know for certain what to get... ‍
  5. Edward Koleman

    Cluster install for DUMMIES...help

    Here ya go....
  6. Edward Koleman

    Cluster install for DUMMIES...help

    I'll post the diagram when i get home from 87 cluster build. Gives every wire on the connector as some are doubles and redundant. 20180927_080540 by Edward Koleman posted Sep 27, 2018 at 9:58 AM
  7. Edward Koleman

    Replacing rubber brake lines, i'm about to lose it

    Did u pull the c clip from the soft line fitting and pull it through the bracket a little. Those hard lines have flat spots that sit into that bracket. Some people don't know that. If u pull it through a little, u can get a set of vice grips on each fitting. It will free up that way.
  8. Edward Koleman

    No turn signals with running lights or headlights on

    Have you replaced the turn signal relay on the fuse panel with a grounded led relay module?
  9. Edward Koleman

    Vent window stud threads

    Any luck on the nut size bucket?
  10. Edward Koleman

    Vent window stud threads

    Got a new frame for my wing window on my 87 Chevy V20. The only problem is the original nut was rusted onto the original frame stud that broke. I have searched high and low in the forums and even tried using my tap and die gauges to find the correct thread size for a new nut but cannot. Does...
  11. Edward Koleman

    Building Gauge Cluster

    You will be reduced to doing what I essentially did. Only I used all my original gauges. I just did this in order to replace the printed circuit board. 20180927_080540 by Edward Koleman posted Sep 27, 2018 at 9:58 AM
  12. Edward Koleman

    fleetside bed floor braces/supports any ideas on where to find? or build?

    Got mine from classic industries. https://www.classicindustries.com/product/893490.html
  13. Edward Koleman

    New to square bodies '81 SM465 question

    These Saginaws do not like being shifted fast. The one in my 87 is the same way. I find double clutching to help tremendously. Wind the tyranny up, the higher the rpm the quicker u can grab the next gear on these. But remember, shift slow.
  14. Edward Koleman

    Bed tail pan replacement

    Check out raybuck.com. They are downtown Pittsburgh with unbeatable prices.

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