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  1. cjmspartans

    Yet another air conditioning thread!

    Excellent, that would definitely make more sense as the other schematic seemed fine to me when I was checking. I'll verify power at both of the VCM pins involved to see whats going on. Thanks! :) Edit: Yes, I have jumped both switches at the same time.
  2. cjmspartans

    Yet another air conditioning thread!

    Under the hood, in the electrical center box, where the relay would typically live. If you were to look at the diagram on the relay, I am putting a wire between terminals 87 and 30, which turns the compressor on or off. Yes. I have tried running it with those switches bypassed, not bypassed...
  3. cjmspartans

    Yet another air conditioning thread!

    A/C fuse is good, has continuity and is rated for 10A. I have ~12V at the low pressure switch, and ~12V at the high pressure switch (on the harness connector). I tried backprobing the low pressure switch, and got no voltage. I also checked the climate control module in the dash referencing the...
  4. cjmspartans

    Yet another air conditioning thread!

    I put a jumper wire on the harness at both the low pressure switch as well as the high pressure switch, with no success. I've done it with only the low pressure switch connector jumped, then the high, then both. Only way I can get the compressor to turn on is by jumping it at the relay. I added...
  5. cjmspartans

    Yet another air conditioning thread!

    You're right -- I messed up on that measurement conversion. So, sounds like I need to keep going then. Any idea at what point the compressor should begin to engage on its own without me having to bypass the relay?
  6. cjmspartans

    Yet another air conditioning thread!

    With the temperatures hitting mid to upper 90s almost daily now, I threw in the towel and decided to start poking around with my 97 Suburbans (7.4L, no rear A/C) air conditioning system. It hasn't worked at all in the 4 years that I've owned it. To start, I tested the clutch on the compressor...
  7. cjmspartans

    1997 Suburban - Rear Defogger Circuit Fault

    That's what I was thinking. I'm not too sure if anyone here has access to such information, but I wonder if it's in a repair manual somewhere.
  8. cjmspartans

    1997 Suburban - Rear Defogger Circuit Fault

    I haven't worked on it yet, unfortunately. It has been a busy week for me. Based on the diagram and the damage I found on the drivers side barn door, I am inclined to say the defogger grid is at fault but I won't know until I start poking around.
  9. cjmspartans

    1997 Suburban - Rear Defogger Circuit Fault

    I did clean those connections before I turned on the defogger. When I opened the doors yesterday and looked at the contacts, I noticed that the plastic around the bottom contact was melted. Passenger side was a-okay.
  10. cjmspartans

    1997 Suburban - Rear Defogger Circuit Fault

    Thank you so much east302! These are exactly what I was looking for. I don't normally look at wiring diagrams so I want to clarify a few things ;) What exactly is the convenience center for? Seems silly to have that purple wire for the rear defogger element to connect to the back of it, just to...
  11. cjmspartans

    1997 Suburban - Rear Defogger Circuit Fault

    I'll look into doing that. Any idea if I can just test the defogger element for a specific amount of resistance? Granted that would be documented somewhere, of course. I've been trying to dig up schematics to give me an idea of where else to look. I've only found this, and I don't like what I...
  12. cjmspartans

    Daily truck pics

    Extremely jealous. Lake Tahoe holds a very special place in my heart. Ironically, I took my Suburban up there from the Central Coast three days after I bought it. It was definitely a fixer upper with a interesting history. But it runs strong and I plan on driving it into the dirt. :) Here's...
  13. cjmspartans

    1997 Suburban - Rear Defogger Circuit Fault

    Hello everyone! I've got a bit of an issue that has me scratching my head. My 97' K2500 Burb blew the 30A "RR DEFOG" fuse under the hood, so I've been without the rear defogger for a few months. Otherwise, the truck has been running great aside from a interior door handle snapping again...
  14. cjmspartans

    Loose gear box

    Took me a while to get back to this thread, but thanks for the input everyone. I'll get the gear box replaced soon. I might just go ahead and do the adjustment seeing as to how it will only be in the truck for about two more months.
  15. cjmspartans

    Loose gear box

    Hey there, so I got my truck aligned and got new tires put on and the guy at the counter said that the technician noted that the steering box was loose and the pitman arm needed to be replaced. I'm fairly certain I replaced my pitman arm about a year ago... I'll have to go through some...
  16. cjmspartans

    Daily truck pics

    Took the burb back out to the mountains, and luckily this time I had my DSLR instead of my cell phone lol
  17. cjmspartans

    My 1997 K2500 Suburban

    Another run to Jones Pass with the burb... this time with my DSLR, and no smoke in the air! :)
  18. cjmspartans

    Stuck inner tie rods

    Got the new tie rods in! The alignment was way off so I had to make little adjustments to get it straight to the eye. Taking it into the shop this weekend to align it. It's weird, I know it's not aligned properly but the general feeling of the steering is much better. Definitely tighter, and my...
  19. cjmspartans

    Stuck inner tie rods

    I'll have to take a look into that! I don't think I'm going to be doing much more suspension work, aside from replacing control arm bushings and sway bar bushings in the near future. They probably only have 6 months to a year left in them before it turns into a squeaky mess. The tools would...
  20. cjmspartans

    Stuck inner tie rods

    Here's some pictures... wound up getting it over with tonight so tomorrow I can just install the new rods and reassemble. I did have to use a pickle fork and a hammer initially to move the ball joint boot back a little bit. That enabled me to slide the pitman arm puller into place. Try beating...
  21. cjmspartans

    Stuck inner tie rods

    I ran over to my local O'Reilly store to get a rental tool and told the guy at the desk about what was going on with pictures. He tried giving me some giant green tie rod removal tool that obviously wouldn't work by looking at the picture, so I looked at their rental options. This is the tool...
  22. cjmspartans

    Stuck inner tie rods

    Hi everyone, I'll start by saying that I'm a novice to suspension work and I'm learning with my Suburban. I've already replaced my CV axle as well as both wheel hubs. I could use some guidance from someone who's experienced here. Initially I was replacing an ABS wheel speed sensor, but I also...
  23. cjmspartans

    Daily truck pics

    Lots of fun! I wish I had it all fixed up when I lived in San Luis Obispo so I could take it out to the Oceano dunes lol. At least it got me around the Los Padres just fine...
  24. cjmspartans

    ABS Issues

    So, about 3000 miles ago I replaced both front ABS sensors as well as both wheel hubs and one CV axle on my 97 K2500 Suburban. It drove all the way from my old house on the California coast to Colorado with absolutely no issues -- ABS light was off, and the few times I needed to quickly stop the...
  25. cjmspartans

    My 1997 K2500 Suburban

    I already posted this in the daily trucks thread, but posting here so that way all of the pictures of my Suburban are in one place. Took it on some 4x4 trails off of Apex Valley Road near Black Hawk, CO. It ran well and I didn't damage anything, and barely squeezed through some of the trees...
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