Lq4 wire harness - The 1947 - Present Chevrolet & GMC Truck Message Board Network

raverider · 01-31-2011, 06:35 PM

I am in the middle of reworking my harness to put in my 67 c10. I have a 6.0/4l8e setup out of a 99 chev 2wd. I am following instructions from http://www.lt1swap.com/2000harness.htm but am wondering about a couple of wires not mentioned. They are wires coming from connector c2 that go to the neutral safety switch. There is a pink, 2 light greens, and a yellow, as well as a black. Is this plug supposed to be cut off? The alphanumeric group from connector c2 are: e3, a9, and f11

**john** · 01-31-2011, 06:44 PM

Heres a link to the LS swap forum under engine drivetrains. You will be more likely to get an answer there.
http://67-72chevytrucks.com/vboard/f...play.php?f=206

matthew20061 · 01-31-2011, 06:45 PM

I don't think you need that part of the harness, its probably for the original truck it came out of to tell the dash indicator what gear the transmission was in. In my swap, I'm not running the neutral position switch harness. The PCM defualts to the "DRIVE 4TH" position without the harness connected. I know many other people don't have it wired up either. Hope that helps.

raverider · 01-31-2011, 06:49 PM

Thanks for the quick info guys. I found some other material that agreed with you. (http://67-72chevytrucks.com/vboard/a.../t-380717.html) Thank you very much!

01-31-2011, 06:35 PM	#1
raverider Registered User Join Date: Apr 2009 Location: duluth minnesota Posts: 30	Lq4 wire harness I am in the middle of reworking my harness to put in my 67 c10. I have a 6.0/4l8e setup out of a 99 chev 2wd. I am following instructions from http://www.lt1swap.com/2000harness.htm but am wondering about a couple of wires not mentioned. They are wires coming from connector c2 that go to the neutral safety switch. There is a pink, 2 light greens, and a yellow, as well as a black. Is this plug supposed to be cut off? The alphanumeric group from connector c2 are: e3, a9, and f11

01-31-2011, 06:44 PM	#2
john member #16 Join Date: Dec 1999 Location: Yuba City Ca. Posts: 3,618	Re: Lq4 wire harness Heres a link to the LS swap forum under engine drivetrains. You will be more likely to get an answer there. http://67-72chevytrucks.com/vboard/f...play.php?f=206 __________________ john http://67-72chevytrucks.com/vboard/showgroups.php board vendors http://www.flickr.com/photos/1745471...7602865984234/

01-31-2011, 06:45 PM	#3
matthew20061 69' Chevy Stepside Join Date: Mar 2008 Location: Anchorage, Ak Posts: 526	Re: Lq4 wire harness I don't think you need that part of the harness, its probably for the original truck it came out of to tell the dash indicator what gear the transmission was in. In my swap, I'm not running the neutral position switch harness. The PCM defualts to the "DRIVE 4TH" position without the harness connected. I know many other people don't have it wired up either. Hope that helps. __________________ -Matthew -69' Chevy Custom/10 Shortbed Stepside 2WD "Copperhead" - Restored, 6.0L LQ9 Built. L92 Heads and LS3 Intake with Comp Cam 223/231 .610/.617 112 LSA, 4L60E with Shift Kit and Circle-D 3200 Stall Converter ~Build Thread -1957 Chevy BelAir 2 Door Post Sedan, Full Frame off Restoration done myself - 6.0L with T56 six speed -1957 Chevy BelAir 2 Door Post Sedan - Nearly rust free AK car, Project in the waiting -2003' Chevy Silverado SS AWD 6.0L! - Daily Driver

01-31-2011, 06:49 PM	#4
raverider Registered User Join Date: Apr 2009 Location: duluth minnesota Posts: 30	Re: Lq4 wire harness Thanks for the quick info guys. I found some other material that agreed with you. (http://67-72chevytrucks.com/vboard/a.../t-380717.html) Thank you very much!

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