wiring help

  1. J

    [Wiring Issue] Ignition Control / Spark Control Module

    Hi all, thanks for letting me join. Thanks for your help, and I understand if this post gets deleted. Apologies if so. My dad passed away and left my son (15 year old) a 1993 Chevrolet Silverado K3500 5.7L 350 TBI Throttle Body Injection. He did a couple engine swaps on it (from the original...
  2. S

    Electrical issue

    So i have a 98 z71 and i just put a new engine in it. And it wont even try to start unless weight is shifted towards the passenger side, either rocking the cab or sitting closer to the passenger seat. Im thinking wiring issue. Because moving the harness around makes a difference. Just not...
  3. Ole2tone

    Whole Wambow jambo

    So, I try and keep the truck as clean as I can Bla Bla Bla, wiring on this thing. It’s not the best it sat for a good well over 13 years. Was wondering if anyone knows where to get the wholeee wiring stuff. All from motor inside and to back. Also the price of it. I’ll like to redo it. It’s been...
  4. hilly101111111

    Horn Help!

    Ive been having an issue with the horns in my 1990 GMC Sierra SLE K2500. It has a 350 turbo 400 in it. I Had removed the wiring harness and horns to paint and retape. So long story short everything is hooked back up and grounded properly. I have power to the 20 amp fuse that I believe is what...
  5. 9

    98 Suburban Driver Side Sunvisor: attaching wires

    My Sub didn't have a driver side sunvisor but i found one on Ebay (which was a little disapointing when I got it but in any case), and I'm trying to install it; I don't HAVE to have the mirror light up but it'd be nice, so wanted to see what folks suggest. I don't know if I should cut the wires...
  6. Jesus350

    Bad A/C ground

    Hey guys so my AC compressor doesn’t engage, im sure its a bad ground since i put ground from my power probe and it engages so i would like to know where should start looking, also this may be related but my third brake light turns on when i press the AC button on and when i turn the AC button...
  7. J

    Interior light subharness

    I just swapped my dash in my 94k1500 W/T edition. Only had driver side door switch and single dome light. Got a dash off of an earlier edition Chevy but has no cracks. It also came with interior foot lights, glove box light, and ash tray light. It supposedly plugs into the convenience center but...
  8. D

    Ls computer for 98 5.7 vortec

    Hey guys I know it’s probably been discussed but I’m looking for help finding and installing an LS 0411 computer on my 98 C3500 5.7 4L80e and I want to know what years/models to keep an eye out for and even some info on tuners in northern MI. I’m learning and really want to know more.
  9. southsidesmoka

    Missed with HVAC Parts Shotgun on '99 Suburban

    To Whom It May Concern: Recently, all of the illumination in my HVAC control head died. It was still functional, but I couldn't see it at night. I figured it was my fault - I probably damaged or broke something on the backside of the old control head when I was shoving it and a fire...
  10. chris2323

    RPM and MPH Gauge Error

    I have a 1997 K1500 pickup and both my rpm and mph gauges are not reading correctly. They are both reading higher than the actual rpm/mph, and seem to get farther off as rpm or speed increases. Has anyone had this issue? Any help or troubleshooting advice would be greatly appreciated. Rpm is...
    • chris2323
    • Thread
    • 411 gauge cluster instrument cluster k1500 mph rpm speed sensor vss wiring help
    • Replies: 21
    • Forum: Audio + Electronics
  11. 94ChevyZ71

    Engine Harness

    My dad just recently bought this 88 k1500 single cab and it needs some work. The guy who had it before really screwed the wiring up. It’s a 350 tbi and the main loom coming out of the firewall on the driver side is cut in half. Also the plug for the loom where it attaches to the firewall is...
  12. LoCascio_Inc

    Fuel Gauge Wiring with PCM Delete

    I’m trying to delete the PCM on my 1998 K2500 Cummins swap and rewire my factory fuel gauge. Truck was originally a gasser with a single fuel tank. Pin 13 on PCM connector C3 (grey/clear) is “Fuel Level Module” coming in from the in-tank sender and pin 9 on PCM connector C1 (blue) is “Fuel...
  13. J

    Terminator X Max. Questions with stock Wiring

    Hello! I’m new to the forum. I haven’t found exactly an answer to my question so I figured I’d post here. I have a 99 2 door Tahoe that I’m LS swapping. I am using the x max so it’s plug and play with the motor and Trans. But I’m trying to figure out if I need to keep the stock ecu for my...

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