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Forum: Electrical

Powertrain | Body | Chassis

  1. P0327 code set - KS's replaced - Still throwing code

    98 XJ with an 05 LM7 5.3L from a Sierra 1500, 35x12.5" shoes, 4.56 gears, 4l65e1. Swap went smooth (finished around 8-10 months ago). I recently...

    Started by blistovmhz‎, 11-30-2015 05:47 PM
    • Replies: 2
    • Views: 2,146
    12-09-2015, 10:04 PM Go to last post
  2. 98 obs

    I have a 98 OBS that I'm swapping a 5.3 into. I'm using the 2004 5.3 pcm and wire harness to run motor and trans 4l60e. I'm gonna keep my stock PCM...

    Started by Jarrett Dixon‎, 12-02-2015 03:13 PM
    • Replies: 1
    • Views: 2,444
    12-05-2015, 04:26 PM Go to last post
  3. 06' avalanche electrical 'BUG"

    06 Avalanche 5.3 4wd 85k miles, here's my long ass story. this is a 3 or 4 month troubleshooting headache for me so ill try to describe this as its...

    Started by derik‎, 10-13-2015 11:56 PM
    • Replies: 0
    • Views: 2,034
    10-13-2015, 11:56 PM Go to last post
  4. Engine grounds

    I'm having an electrical problem which I am almost positive is a ground issue. If I am not mistaken, 4 grounds attach to the block - (1) large gauge...

    Started by jetmech‎, 09-05-2015 07:14 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 8,335
    10-09-2015, 08:06 PM Go to last post
  5. 4L80e input shaft speed sensor PCM pins

    I've been having electrical issues so I've been looking at wiring diagrams a lot lately. During my studies of these diagrams, I noticed that some...

    Started by jetmech‎, 09-19-2015 08:45 PM
    • Replies: 1
    • Views: 3,357
    09-21-2015, 03:32 PM Go to last post
  6. Wiring Harness Swap

    Can I put a 2000 4.8 harness on an 04 6.0 without any issues other than throttle body and computer? Everything else should plug in right?

    Started by Gemini‎, 07-15-2015 08:03 PM
    • Replies: 1
    • Views: 3,373
    08-27-2015, 02:11 PM Go to last post
  7. Neutral Safety Switch Bypass

    I am using an automatic truck harness in my manual truck and the neutral safety switch has been giving me problems and now I cant start my truck with...

    Started by Gemini‎, 08-25-2015 10:32 PM
    • Replies: 1
    • Views: 1,966
    08-26-2015, 09:59 AM Go to last post
  8. Wiring Question Maggie/Racetronix Hot Wire Kit

    Nevermind

    Started by jack0255‎, 07-31-2015 05:39 AM
    • Replies: 0
    • Views: 1,868
    07-31-2015, 05:39 AM Go to last post
  9. please help

    Ive got a 1998 chevy half ton 5.0, the starter keep engaging while the engine is running, i changed the starter and it still does it

    Started by 78chevstepside‎, 12-09-2014 03:25 PM
    • Replies: 8
    • Views: 4,492
    04-07-2015, 07:10 PM Go to last post
  10. GenIV Swap Electronics ????

    This is my first LS swap and what would you know I am getting a run for my money already. I had been wanting to swap a 6.0 into my 99 k2500 5.7 obs...

    Started by gmech68‎, 03-17-2015 06:00 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 5,280
    04-07-2015, 06:15 PM Go to last post
  11. 83 C10 wiring question!

    Okay so im in the final stages of my swap just got my S&S Harness, now i have these wires (refer to pictures) what do each of them do. Yes I am a...

    Started by BigBFiveThree‎, 02-03-2015 07:34 PM
    • Replies: 2
    • Views: 2,281
    02-19-2015, 08:39 PM Go to last post
  12. 3 bar map sensor read what on 2 bar tune?

    Hey guys, I just want to clarify that my 3 bar map sensor works. I plugged it into my truck that has a 2.5 bar map sensor (cobalt ss) and it read...

    Started by shmiet‎, 02-10-2015 05:46 PM
    • Replies: 0
    • Views: 1,551
    02-10-2015, 05:46 PM Go to last post
  13. instrument cluster

    I swapped in a LS engine in 97 suburban Used thinned out factory harness with psi harness. My voltage gauge, Oil pressure, tac and speedometer...

    Started by slicpartna‎, 02-07-2015 06:49 PM
    • Replies: 8
    • Views: 3,567
    02-10-2015, 05:44 PM Go to last post
  14. I/P blank after swap. BCM getting power.

    00' 4.3 to 03' 5.3. All plugs (C2, C100, C152) are pinned to schematic. Key in on position, I/P blank except MIL light. Key in on position with scan...

    Started by AllBlackSierra‎, 01-26-2015 09:06 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 4,288
    02-09-2015, 12:36 AM Go to last post
  15. Drive by wire to Drive by cable conversion

    As most of you kn ow by now i have a complete pullout with ECm and all wiring from a 01 yukon that is drive by wire. I am looking to convert to drive...

    Started by altereddezignz‎, 09-03-2014 04:21 PM
    • Replies: 5
    • Views: 3,204
    02-02-2015, 10:08 PM Go to last post
  16. O2 sensor and alternator variances?

    So were all familiar with case grounded and isolated ground O2 sensors on the Gen3 stuff. It seems that any LS1B PCM will work with either style,...

    Started by vortecyota‎, 02-02-2015 05:05 PM
    • Replies: 8
    • Views: 2,987
    02-02-2015, 09:23 PM Go to last post
  17. 4L60 to 4L80 swap question

    I received the ISS sensor harness from Nelson, and I am having a bit of trouble inserting the pins into the ECM. Is there a specific procedure for...

    Started by jetmech‎, 01-26-2015 05:48 PM
    • Replies: 7
    • Views: 3,036
    02-02-2015, 08:42 PM Go to last post
  18. Question Red pin #33

    Hello, I have a 2002 Sierra 4X4 5.3.---- tuned by Allen. Question is- does and at what temperature does the PCM red pin #33 activate? Also Blue...

    Started by metalchips‎, 01-19-2015 08:56 PM
    • Replies: 2
    • Views: 1,807
    01-20-2015, 02:11 PM Go to last post
  19. windshield wipers behaving badly

    I've got a wierd problem with my wiper motor. Wipers work but they dont turn off when I shut them off, eventually they will turn off but usually in...

    Started by exboatracer‎, 11-06-2014 09:45 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 3,647
    11-20-2014, 08:40 AM Go to last post
  20. Is the big gray coil pack plug needed?

    Hi. I am working on the wiring for the 5.3 I am installing into my 97 Tahoe. I am trying to route and hide everything I can. Is there any reason...

    Started by lovesdunes‎, 11-09-2014 06:27 PM
    • Replies: 2
    • Views: 1,542
    11-09-2014, 11:28 PM Go to last post

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