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  1. east302

    taillight issues

    I’d start with the reverse since it’s simpler and odds are that if you fix it you’ll fix the others. Look for connector C409 (two possible locations below) and check for voltage at the light green wire’s pin when in reverse. The engine doesn’t have to be started for the reverse lights to...
  2. east302

    Bolt In Roller Pins -- Cunningham Machine

    Finally got around to doing mine as well. It took longer to get the old one out than to put the new one in. Should’ve done the door pins as well (they’re original) but couldn’t get motivated.
  3. east302

    1994 K1500 Blazer fuse box diagrams

    Yep, there’s a clip on the side of it.
  4. east302

    4l60e PWM delete

    Thanks for chiming in guys. I’m going to drive it for a bit more and see what I think - will probably swing back by the shop and have them ride along.
  5. east302

    4l60e PWM delete

    Thanks, I think I was expecting the soft engagement like a gear shift rather than the firmer action.
  6. east302

    4l60e PWM delete

    Thanks, Nick, I appreciate the input. I think it’s definitely a case of me just being used to it driving a certain way and not being familiar with the alternative setup. So during lockup under heavier throttle, it’s normal for it to have two quick skips or “bump-bump” to it? It’s hard to...
  7. east302

    4l60e PWM delete

    I had the transmission rebuilt on a 1998 Chevrolet K1500 (broken sun shell) and they deleted the PWM and installed a reman torque converter (1611-1654 stall). I don’t know what they used for the delete. At TCC lockup, how are these PWM deletes supposed to feel compared to the stock...
  8. east302

    98 Yukon, The engine restore starts.

    If you’re having a shop do the install, pay attention to the warranty labor rate if it has to be yanked out and shipped back. Some remans will only reimburse a percentage (say $50-$70/hr) for labor on warranty claims. It surely varies across the country, but most shops are probably in the...
  9. east302

    96 tahoe electrical issues

    If it has a trailer harness, see how that looks. We had a 98 with some questionable “homemade” connections that caused blown fuses, loss of brake lights, interior lights and either the headlights or the running lights (I forget which).
  10. east302

    4 Wheel Drive Issue

    Was the idler arm bracket also replaced? Despite the new parts (or in case you got a bad one) it’d be worthwhile to jack it up and check for play in the steering linkage.
  11. east302

    A/C pump on and off

    Try post #111 in that link. It looks like another member posted another 1999 copy onto a Google drive.
  12. east302

    A/C pump on and off

    Here’s the diagram from 1999. The full manuals can be downloaded at the link below (see post #77): https://www.gmt400.com/threads/88-98-service-manuals.43575/page-8#post-1234512
  13. east302

    Brakes

    The discard diameter will be stamped on the outside of the drum. A 10” drum will say Maximum ten-point-something inches and the 11” will be similar. Or check the RPO label in the glovebox. Code JB5 is 10”, JB6 is 11”. 11” drums tend to be better at keeping their adjustment but they’re not...
  14. east302

    Service 4WD light came on last night, causing shifting problems

    There should be a code set for it, you’ll need a scanner that can read chassis codes. Any shop with a good ($) scanner could pull them, it’d be worth dropping by one to see if they would do it for you real quick. GM publishes diagnostic procedures for each code in the shop manual, so that...
  15. east302

    What did you do to your OBS GMT400 Tahoe/Yukon Today?

    Not my Tahoe, but the transmission in my 98 Z71 gave up the ghost this morning. When pulling out into traffic it gave a loud bang and no longer has reverse. I got it towed into the shop. I’m assuming it’s the sun shell but will see what the rebuild shop comes back with. It made it almost...
  16. east302

    2000 Chevy Tahoe : z71 Front Bumper with Fog Lights

    And here are the GM part numbers for the components, maybe it’ll help. Edit - sorry, thought you were looking for the brush guard as well.
  17. east302

    2000 Chevy Tahoe : z71 Front Bumper with Fog Lights

    Adding to the above LMC screenshot, GM used the stock bumper from the diesel trucks on these Z71 Tahoes. So, searching part catalogs using the 6.5 diesel on C/K trucks should show them.
  18. east302

    99 Yukon Antifreeze in oil

    Since it’s been sitting, have you pulled the plugs to see if coolant comes out?
  19. east302

    1999 tahoe drivers seat not working

    On C210, terminal C is for the seat. A and D are for other things…probably interior lights as it killed mine when I unplugged it. So, if you have 12V on this pin… …and nothing on C212 A (using the C212 black wire pin as the ground)… …then the wire (or the connectors themselves) between...
  20. east302

    starter wiring help 1995

    The 95 service manual (attached) does not show a relay. For comparison, a 98 starter relay is in the fuse panel. PDFs of the 1995 service manual volumes can be downloaded at this link: https://www.gmt400.com/threads/88-98-service-manuals.43575/
  21. east302

    1999 tahoe drivers seat not working

    I’m pretty sure this is ground G202 above the blower. Edit: Just reread your post and see that the switch functions with a battery so your ground should be good. C210 is above the letters GRY, power to the seat being the third wire from the left.
  22. east302

    1999 tahoe drivers seat not working

    Here is the wiring diagram from a 1998 which is likely the same for 1999. Maybe it will help. Power goes from the fuse to a connector (C210, pin C) at the convenience center and then to the seat connector. The convenience center is the firewall panel behind the parking brake. The circuit is...
  23. east302

    Inherited 99 Suburban

    Welcome to the forum! Heads up on radiators. Some aftermarket radiators include an unused port under the cap that GM did not use on 96-99 trucks: I think the port was used on some of the earlier (88-94?) trucks. As the radiator is meant to be “universal” and fit those trucks, many...
  24. east302

    How to calibrate Transmission dipstick 98 Tahoe?

    If it helps, the part number stamped on my 98’s dipstick is 15996922. Visually, that’s how far I remember mine coming down when I did a fluid change. I didn’t pay attention to the holes, though.
  25. east302

    Help!!!! 1995 Chevy Tahoe 1500 Unable to bleed the brakes

    Not sure that it would matter since its going to drop anyway, but GM specs a 20-25 psi startup when using the Kent Moore pressure bleeder. Also, here’s their diagram showing that clip on the combination valve during bleeding. My 98 truck had a lousy pedal about ten years ago and I damn near...

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