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#301 | |
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Re: Project Reno - 72 cheyenne rebuild
Quote:
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#302 |
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Re: Project Reno - 72 cheyenne rebuild
No fires and we have power.
Well got the electrical systems all fused up and no fires. Yahooooooo!! I have success on all circuits except no brake lights at all and the horns are on all the time. I have turn signals, hazards and markers, but no brake lights. I have signal at the brake switch, but nothing at the rear harness connector. So, I am going to look into the steering column wiring. I am awaiting diagnosis instructions from AAW. It could also be the inner cab rear harness connector, but I doubt it. As for the horns, well I tried new grounds for both of them and dismantling the steering column horn button assembly and still, horn works all the time. No clue there. Here are a few pics of the wiring under the hood. I got things pretty clean. Junction from battery to supply battery to passengers side of engine compartment. AC/HEAT wiring on passengers side of engine compartment. AC/HEAT trinary switch wire routing. Got the motor fluids replenished and just need to install O2 sensors on headers for a restart. I also got the Vintage air system calibrated and it works like a charm. Blows very hard thru vents. More to come and hopefully some resolution.
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#303 |
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Join Date: Jun 2006
Location: Utah
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Re: Project Reno - 72 cheyenne rebuild
Soooo super clean! I love it!
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#304 |
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Join Date: Aug 2013
Location: San Jose Ca
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Re: Project Reno - 72 cheyenne rebuild
Looking good. I could have used your horn problem on my way home from work I got cut off twice tonight. I did get back at the 2nd drive and blasted Cummins smoke in there face.
sounds like you have constant power to the horns it should be easy to trace. |
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#305 |
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Re: Project Reno - 72 cheyenne rebuild
Update time. Well today got some electrical gremlins taken care of. I took the whole horn assembly apart at the steering wheel and found the after market plunger for the horn button was not long enough and allowing the circuit to stay grounded. I fixed it and that seemed to fix the horn. As for the brake lights, the connector for the steering column turn signal switch was jacked and not connecting the way it was supposed to. I lubed it up with some dialectic grease, checked all the wire connections and put it back together. That seemed to fix the issue. I now have brake lights. However, I may need a new turn signal switch if the connector acts up again. And finally, My gauges were working, but I could not get a reading on the temp or fuel. I pulled the gauge cluster off the dash and discovered I had the temp signal wired to the fuel gage and vise versa. Amazing, no matter how careful I am, there always seems to be a few stupid blunders like that. At least it was easy to fix. I also fired up the engine today from inside the cab. Thats was another milestone. Here is a shot of the gauge cluster all lit up at night. Blue LED's
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#306 |
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Location: Tomball, Texas
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Re: Project Reno - 72 cheyenne rebuild
Way to go! Sounds like electrical is done? What's left before you can drive it at least in and out of the garage?
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Rick 78 GMC K15 SWB, 350/NV4500/NP205/4.10s Project Hazel 71 GMC C25 350/TH400 - Project Angie 59 Chevy SWB Stepside (next in line? Not sure now ![]() 2001 GMC Sierra K2500 |
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#307 | |
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Re: Project Reno - 72 cheyenne rebuild
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Once I driver her around the neighborhood and test brakes, clutch etc, I will need to get custom exhaust done, then wheels and tires last. Next I will focus on the interior carpet, box for behind the seats, amp and stereo, seat belts and whatever else I forgot.
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#308 |
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Location: Utah
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Re: Project Reno - 72 cheyenne rebuild
Exciting times!!!
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#309 |
Still Learning
Join Date: Jul 2009
Location: Central Oklahoma
Posts: 10,108
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Re: Project Reno - 72 cheyenne rebuild
Cluster is awesome!
Congrats on getting the electrical done. |
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#310 |
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Join Date: Aug 2013
Location: San Jose Ca
Posts: 965
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Re: Project Reno - 72 cheyenne rebuild
cool looking gages.. I'm glad you found the gremlins in your wiring great job. let me know if you would take a vacation in California to help me with my wiring.
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#311 |
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Re: Project Reno - 72 cheyenne rebuild
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#312 |
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Re: Project Reno - 72 cheyenne rebuild
Thanks Mike! Have a Great Holiday!
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#313 | |
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Re: Project Reno - 72 cheyenne rebuild
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Lol - Love Cali. Close but no cigar. Santa Fe is as close as I'll be this year. Happy Holiday's and good luck with the wiring. Chris
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#314 |
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Join Date: Apr 2004
Location: sw colorado
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Re: Project Reno - 72 cheyenne rebuild
sante fe is close to me. does this mean you are coming to help? i have lots of wires. haha
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#315 | |
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Re: Project Reno - 72 cheyenne rebuild
Quote:
![]() Happy Holidays!
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#316 |
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Location: Sandown, NH
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Re: Project Reno - 72 cheyenne rebuild
Damn it Chris..... Your getting way ahead of me... Slow down a bit.... Take a vacation from the truck over the Holidays.... "LOL"
Gary
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#317 | |
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Re: Project Reno - 72 cheyenne rebuild
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Chris
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#318 |
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Re: Project Reno - 72 cheyenne rebuild
While your waiting you can make me your 1st customer and come help with my wiring !!! "LOL"
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#319 |
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Re: Project Reno - 72 cheyenne rebuild
Well, finally got the hood 98% of the way aligned. I'm afraid it will never be perfect.
![]() Here are some more pics of wiring porn. Lol Mounting of accelerator module on drivers fender. finished weatherpak connector for rear harness This is what's left over after cutting out waste and adding mods.
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#320 |
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Location: San Jose Ca
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Re: Project Reno - 72 cheyenne rebuild
Now I think I know why I can't plug in my throttle peddle in to my computer. I'm missing the accelerator module. Thanks for posting the pictures.
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#321 |
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Re: Project Reno - 72 cheyenne rebuild
It's official name is tac module. Should have come with motor.
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#322 |
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Re: Project Reno - 72 cheyenne rebuild
No I did not get it with my engine. The PO I bought it from was clueless about the engine and at the time I did not have the wisdom to know what was missing. I do have a donor suburban that I can get it from but the engine in the burb won't if I grab it. I will check with a salvage yard and see if I can get one.
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#323 |
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Re: Project Reno - 72 cheyenne rebuild
Well, you only need this if your motor was drive by wire. If it is, then you need the accelerator pedal and tac module from the same vehicle if you can get it. You may
Also research and make sure that you have compatible accelerator pedal and tach module components for your year and model engine. This will save you headaches. Search ls1tech and you will get a ton of info there about your motor.
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#324 |
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Location: San Jose Ca
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Re: Project Reno - 72 cheyenne rebuild
I have the DBW peddle and a wiring harness. hopefully I just need the tach module.
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#325 |
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Re: Project Reno - 72 cheyenne rebuild
Happy New Year everybody! Well, Santa Fe was (((((((COLD))))))) burrrrrr but just can't beat the fresh air and views out there.
When I returned home, I found many small packages awaiting me. My knobs for wiper and wiper delay. new American made turn signal switch headlight retainer rings. My old ones had a missing tab on each side. I also received a message that my wiper delay unit will be on it's way to me this weekend. So, weather permitting, I should hopefully get the dash back together this week and move on to assembling the rest of the interior. I also need to put some more elbow grease into the outer grill. A few passes with finer and finer grit sand paper until it is smooth enough for a polish. I really want to use as much of the original grill as possible.
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