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  1. J

    No lowbeams or DRL

    I did, but I must not have understood the actual operation of the switch, or the wiring diagram in some way, couldn't ascertain the issue. With the DRL I may have read to much into it. Probably not that "complex". Nonetheless, I was reasonably stumped. Time to sit down and study it...
  2. J

    Misfire/stuttering issue

    For anyone reading this at a later time, if you've tried the above and still have issues.... Pop the distributor and examine the teeth on the drive gear for wear like getting knife edged. . I chased a slowly increasing random miss for a couple years! Swapping plugs/wires cap rotor quite a...
  3. J

    No lowbeams or DRL

    Hate to revive, but someone searching may find it. Almost the same issue, except my DRL's (and high beams) work, my low beams are dead. I seem to have noted that it was initially related to the angle of my tilt wheel, and then it went off permanently. I imagine it's wiring/connection at the...
  4. J

    Typical wet cold weather No Start Condition

    lol! Unlikely, but, I'm almost wondering if I didn't dream it! I was anguishing over that vehicle for months and months. I've certainly looked at the two Alldata routing diagrams enough too, haha... Hmmm... I cleaned the cap etc, it was slightly corroded, but not bad to where I'd...
  5. J

    Typical wet cold weather No Start Condition

    Yeah, not in Alldata I gues, I'm still racking my brain where I found the updated wire routing that I had printed out and distinctly remember using. Thought today it might have came off of a site like MSD (as I once used a set of their wires trying to chase down the misfire issue), but no joy...
  6. J

    Typical wet cold weather No Start Condition

    Trying to find it in Alldata and am not seeing it, I'll keep searching. I found it last year "somewhere" while searching for a weird shudder/miss at highway speed under slight acceleration/load , that I was blaming on TCC but had no 1870 code, turns out my distributor gear was knife edged...
  7. J

    97 Yukon: No LB Headlights, tilt wheel seems to have caused...

    Yeah, I pretty much figured new Multi function. Being seriously poor right now, I was hoping I could repair a wire at the tilting area. Seems that would be the basic issue and cheaper than purchasing a new switch... But, ya gotta do what ya gotta do. That's what I'd recommend to someone as...
  8. J

    Typical wet cold weather No Start Condition

    Sounds like a plan, was gonna just replace, but, hate to spend when cap/rotor are "reasonably" new. Sorta worried something carbon tracked and might just keep doing it clean or not. But, it's a free step at least. Will yank cap rotor and examine. As for parts.... AC Delco the brand you'd...
  9. J

    97 Yukon: No LB Headlights, tilt wheel seems to have caused...

    Good input. I was "sorta" thinking that was the case with C266... Only one related wire in C266 that I'm seeing in the schematic, that would be the ".8 tan" ? It's at the Headlamp Dimmer Switch. Sound right? The DRL module is a possible, I was leaning to a wire/connection, as the problem...
  10. J

    Typical wet cold weather No Start Condition

    97 Yukon 5.7 As the title suggests, I'm experiencing the wet cold weather no start. Technically, a rain in the summer doesn't cause the issue. It's usually colder weather, or a temp drop, when condensation forms in the engine compartment I imagine. No Codes, and coolant temp sensor...
  11. J

    Front hub bearings went bad ... how much$

    Ahh yes, I have the TSB, read about cleaning etc, thank you. I haven't had them apart in 18 months, but I (for some reason) seemed to remember this hub being unserviceable. Yet, I do read this fix all the time (although I also read of it not always working). Gonna have to yank it and look...
  12. J

    97 Yukon: No LB Headlights, tilt wheel seems to have caused...

    Thank you VERY MUCH for taking time to link these. I have Alldata and already have them printed out pouring over them as we speak (and much of the morning, lol). :) Hence improving "some" understanding of it. :) Per the diagram, I'm just not sure "what" is in the column. Debating...
  13. J

    Front hub bearings went bad ... how much$

    I've replaced mine several times. using cheap to Timken. They all seem to fail in the ABS sensor area. Only once has the bearing itself really been bad. The current one that is failing (passenger side which fails 3 to 1 compared to drivers side), is possibly a little loud, but my issue is...
  14. J

    97 Yukon: No LB Headlights, tilt wheel seems to have caused...

    1997 Yukon, 5.7 Low beam headlights became intermittent and proper function was depending on position of tilt column. Eventually complete failure of low beam function ONLY. The Daytime Running Lights (which operate continuously when vehicle is running) still allow a dimmed headlight if I...
  15. J

    Broken Mirrors need to be Replaced!

    Yeah, it's too damaged to paint now, short of grinding it off and filling, I'll prolly just replace it again, I was astounded when i noticed it. Lotta salt here tho. I'd say paint them really well prior to installing. Maybe I just got a bad brand, I paid about 50 bucks for them from a...
  16. J

    Broken Mirrors need to be Replaced!

    97 Yukon here. I picked up a pair aluminum bodied ones 18 months ago, aftermarket, and they're already corroding through the paint that came on them already. They were already a nicely painted gloss black and didn't feel they had to be painted again. So, I just installed them. I'm in...
  17. J

    Transmission judder?

    Yep, I blamed a "trans shudder" on possible 1870 code convertor lockup slippage stuff. But, wasn't getting that code. I was however getting a random misfire code. That really only happened when in lockup at highway speeds for me, not under accelleration. It did eventually get to be all the...
  18. J

    Tilt Column Issues...

    My 97 yukon started doing the loss of low beams thing depending on angle of the tilt. Eventually the low beams went totally out when turned on, but does have high beams. No other issues tho. I still essentially have low beams if I just leave the selector on parking/running rights only...
  19. J

    1998 tahoe runs bad when wet outside

    I've had tremendous luck with MSD wires and caps/rotors on my Mustang, which has equal length headers, and under the hood temps that FAR exceed the Yukon (currrent set is 6 yrs and fine), yet the MSD wires lasted about a year so onthe Yukon. I've had just terrible luck with wires in this...
  20. J

    1998 tahoe runs bad when wet outside

    Caps wires common issues with these... I'm still fighting this WITH new cap/rotor/wires. Been through this 3-4 times and used all AC Delco. They last about 14 months on my 97 yukon. :( Used ACDelcom cap rotors this time but cheap bosch wires... bad idea probably. Although THIS, may now...
  21. J

    Voltage & Transmission issue

    Yeah, along with what was already mentioned, if the trans gets low voltage, the EPC (Electronic Pressure control solonoid) will cause it to shift hard, as it alters by getting whatever voltage the TCU determines appropriate. Low voltage to EPC = hard shifts High voltage = softer shifts. That...

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