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  1. Matt69olds

    What to keep? Sbc questions

    Number one son bought a 94 blazer for cheap. It’s been seriously abused and beat, but has some neat parts/options that will eventually find its way onto his Yukon. I’m not very fluent in sbc stuff. Are any of the later model pass side dipstick blocks desirable? Are any 4 bolt mains? If I...
  2. Matt69olds

    Interior parts 92 Yukon

    Good Lord, the late 80s/ early 90s were definitely the dark years of GM interiors!!! Everything we touch breaks on this truck! Looking for good door panels (specifically the pull handles), passenger front armrest (the part that contains the power window switch) passenger side A pillar trim, and...
  3. Matt69olds

    Unusual radio issue

    My son and I installed a Retro Sound stereo in his 92 Yukon about 6 months ago. When we first installed it, we had trouble with the radio not shutting off. I have had lots of experience with things NOT working, not do much things that won’t stop working! I checked for power on the red wire...
  4. Matt69olds

    Pictures of convenience center plugs?

    My son and I are converting his 92 Yukon from manual everything to power windows, locks and mirrors. I”Frankensteined” everything with parts from several other trucks. While time consuming, it hasn’t been terribly difficult. My question: does anyone has either a FACTORY service manual, or a...
  5. Matt69olds

    Power window/lock/mirror Frankenstein conversion??

    Greetings. I am attempting to convert my sons fully manual 92 Yukon to power everything using a bunch of junkyard parts. Normally, I would be one of the first to tell people to consult a manual, but since I’m not exactly sure what year/model all these parts came from I don’t know where to look...
  6. Matt69olds

    Patch panel to “fix” hole in bed from former 5th wheel hitch??

    The donor bed on the family 81 GMC came from a 1 ton truck with a 5th wheel hitch. I’d like to cover the hole with something other than plywood so the bed is usable. Anyone in readerland have an absolutely trashed or rusty bed with a section of bed floor in solid shape? The bed came from a...
  7. Matt69olds

    Fuse box from 80ish up square?

    Anyone in readerland with a seriously hacked up wiring harness? I’m looking to install a ATO style fuse box in my sons 71 El Camino. This will be a Frankenstein project, but nothing we didn’t anticipate. I built my own dash harness years ago for my 69 Olds. I used a fuse box and bulkhead...
  8. Matt69olds

    92 Yukon interior parts needed (maroon color)

    Looking for passenger side seat recline lever, and drivers side A pillar trim piece that goes along the inside of the windshield, and up above the door opening. Recline lever looks like this, and this appears to be the correct color. 30 years of sun fade has no doubt changed the color.
  9. Matt69olds

    Replacement parts for bed cover?

    I have a cover on the bed of my Ram. I bought this cover during the dark period of Covid. I got it thru summit racing, at the time that was all that was available. One of the hold down clamps is broken. I called Summit, they tell me the manufacturer has discontinued that model and no parts are...
  10. Matt69olds

    Different brake codes?

    Had to replace a brake hose on the 81 GMC. The truck makes a HARD left turn whenever you hit the brakes, and once you release the brakes it takes a couple seconds before the truck would start to roll. Obviously, the hose has collapsed internally. Once I got it back together no matter what, I...
  11. Matt69olds

    Secret to axle removal with Gov Bomb differential????

    This 92 Yukon rear end is REALLY starting to piss me off!!! Trying to replace a rear axle seal. Pretty straightforward (I thought) something I have done dozens of times before. Unfortunately, the cross pin bolt broke. I’m almost 50 years old, been fooling around with cars and trucks since I...
  12. Matt69olds

    I need a detailed ECM pinout diagram

    I have been searching for a intermittent misfire on my 92 Yukon. Occasionally, the #1 injector (the on on the passenger side) won’t pulse. No injector pulse, swapping injector plugs and the problem follows the connector. Make a long story short, the dark blue wire (#1 ground) terminal was push...
  13. Matt69olds

    Rumble strip sensation while driving???

    Number one son called me from his truck (92 Yukon) saying his truck felt weird. When I go for a drive with him, occasionally, around 30-35 mph the truck feels like your driving on the rubble strip on the highway. It starts immediately, and and stops just as quickly. It doesn’t do it all the...
  14. Matt69olds

    Gov loc differential???

    Did some routine maintenance on my sons 92 Yukon, noticed the rear tires turn opposite from each other when rotated by hand. Classic example of a open rearend. However, the RPO code shows G80 which is locking differential. If I remember correctly, these trucks have the dreaded Gov-bomb diffs...
  15. Matt69olds

    Rear window hatch switch adjustable???

    Greetings. Is the rear hatch dome lamp switch adjustable on my sons 92 Yukon? Occasionally the dome lamp will stay on. Push on the rear window ever so slightly, the lamp will go out. The light will flicker when driving over bumpy roads. In a moment of sheer brilliance (otherwise known as...
  16. Matt69olds

    Insulated coffee tumbler that fits the cupholder

    Greetings. My son has a “crisis”. He got his license last week, and has been driving the Yukon we have brought back from the dead. He is looking for a insulated coffee cup that fits the cup holders, without falling over. He either finds one that is too big to fit down in the cupholder, or too...
  17. Matt69olds

    Console lid for Yukon?

    Well, the latch on my sons Yukon is broken, at this point it’s pretty obvious it’s not going to open without destroying the lid. So, before I get rude with it and open it with brute force, I’d like to find a replacement. Anyone in readerland have a console lid for a 92 Yukon? I’m pretty...
  18. Matt69olds

    Antenna coax??

    Anyone in readerland parting a newer (88 and up) truck? I need the antenna coax. The tip broke off in the factory radio amplifier. I’d rather not mess around with aftermarket and then have to buy an adapter to go from a aftermarket antenna to fit the factory stereo. Thanks
  19. Matt69olds

    Found this on Classic Olds.

    https://classicoldsmobile.com/forums/non-oldsmobile-classified-75/alpine-system-shaft-radio-amps-eq-cords-161575/ If anyone is looking for a old school 2 shaft radio for their truck, let me know. I’ll message the seller and get contact info.
  20. Matt69olds

    92 Yukon miscellaneous stuff needed.

    Greetings. Slowly but surely, my son and I are checking off repair/upgrades from the list. All the mechanical stuff is done, now it’s on to the crap that has deteriorated during its 20 plus years in “dry dock”. We can’t get the center console open. The buttons are stuck in the depressed...
  21. Matt69olds

    92 Yukon parts interchange questions??

    We have been driving my sons first car (92 Yukon) around for a few weeks now, long enough to feel reasonable confident it doesn’t have major issues. So, it’s time to check off a few minor problems before handing over the keys. The passenger door mirror is missing. Did these trucks in the later...
  22. Matt69olds

    Electrical panel under the dash???

    My next door neighbor has a 99 3/4 Suburban. He is installing a usb charger, he asked me for some assistance in the best place to make the connections. I was kinda surprised there were no accessory power cavity’s in the fuse box, I did find this panel under the dash I assume the plug cavities...
  23. Matt69olds

    Looking at 92 Yukon for my son

    As the title states, I’m considering a 92 Yukon 4x4 for my soon to be 16 year old son. While I’m very comfortable with all things GM, I’m not very familiar with these trucks. It’s a typical old school sbc, there is nothing I’m scared of with the 700 trans, so I doubt there is much I couldn’t...
  24. Matt69olds

    Important PSA from another forum.

    https://classicoldsmobile.com/forums/electrical-5/turn-signal-circuit-psa-157155/ This isn’t much of a concern with squarebody trucks, they have turn signal wiring protected by a fuse. However, I’m betting there are people on here who have older trucks, or older GM products that this might be...
  25. Matt69olds

    Frankenstein truck headaches???

    The bed swap project on my 81 GMC is definitely opening my eyes to the tiny changes GM made to these trucks over the long production run. These little changes could be a big headache to some of my long term goals. I have plans for a future cab swap. There is some pretty nasty collision damage...

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