LS Wiring harnesses questions - The 1947 - Present Chevrolet & GMC Truck Message Board Network

softballnrd27 · 10-26-2010, 02:39 AM

I want to buy a wiring harness to start modding it myself, what year should I look for? I plan on swapping in a LQ4/9 with drive by cable TB(swap to DBC if it is DBW) with a th350 behind it. What years are best for this and if I get a good deal on a DBW harness can it easily be modded to DBC? Does it have to be from a 6.0l truck or will a 5.3 harness work? I won't have the money to buy the motor until Nov/Dec and I want to start gathering all the smaller parts to make the swap easier once I get the motor.

**Clyde65** · 10-26-2010, 10:13 AM

why not get the harness with the motor?

You can go and get any 99-02 truck or 99-05 van

You would remove all the trans wiring and the DBW stuff too.

There is a guy on ebay that sells a custom harness for somewhere around $450.00 which might or might not be in your budget but just my opinion, it would be worth the agrivation.

softballnrd27 · 10-26-2010, 10:27 AM

If one comes with the motor I could just sell it. I have looked into the stand alone harness but I would rather spend $100 vs $350-$500 for the harness. I have done other harnesses before and it is a pain but if it can save me that much $$$ then I would rather put in the labor.

clinebarger · 10-26-2010, 10:34 AM

A 99-02 4.8,5.3,6.0 truck harness whould be best. You chould modify a 00-02 SUV DBW harness by adding the TPS & IAC wiring and plugs.

Stay away from 03 & up DBW harnesses, It whould take ALOT of re-pinning to make it work.

softballnrd27 · 10-26-2010, 11:39 AM

Ok, thanks for the info.

Big Port Jimmy 6 · 10-26-2010, 08:41 PM

I have a DBC 6.0\4L80E harness. It is off of a van 01/02ish. It has two broken wires on the transmission range switch. I eliminated the switch from the harness on my swap. PM me if you are interested. Jay

softballnrd27 · 10-27-2010, 04:34 PM

PM Sent

10-26-2010, 02:39 AM	#1
softballnrd27 Always a work in progress Join Date: Jun 2007 Location: Harker Heights, TX Posts: 1,599	LS Wiring harnesses questions I want to buy a wiring harness to start modding it myself, what year should I look for? I plan on swapping in a LQ4/9 with drive by cable TB(swap to DBC if it is DBW) with a th350 behind it. What years are best for this and if I get a good deal on a DBW harness can it easily be modded to DBC? Does it have to be from a 6.0l truck or will a 5.3 harness work? I won't have the money to buy the motor until Nov/Dec and I want to start gathering all the smaller parts to make the swap easier once I get the motor. __________________ USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168

10-26-2010, 10:13 AM	#2
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,540	Re: LS Wiring harnesses questions why not get the harness with the motor? You can go and get any 99-02 truck or 99-05 van You would remove all the trans wiring and the DBW stuff too. There is a guy on ebay that sells a custom harness for somewhere around $450.00 which might or might not be in your budget but just my opinion, it would be worth the agrivation. __________________ Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 *support our troops!*

10-26-2010, 10:27 AM	#3
softballnrd27 Always a work in progress Join Date: Jun 2007 Location: Harker Heights, TX Posts: 1,599	Re: LS Wiring harnesses questions If one comes with the motor I could just sell it. I have looked into the stand alone harness but I would rather spend $100 vs $350-$500 for the harness. I have done other harnesses before and it is a pain but if it can save me that much $$$ then I would rather put in the labor. __________________ USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168

10-26-2010, 10:34 AM	#4
clinebarger Senior Member Join Date: May 2009 Location: Fort Worth, TX Posts: 6,370	Re: LS Wiring harnesses questions A 99-02 4.8,5.3,6.0 truck harness whould be best. You chould modify a 00-02 SUV DBW harness by adding the TPS & IAC wiring and plugs. Stay away from 03 & up DBW harnesses, It whould take ALOT of re-pinning to make it work.

10-26-2010, 11:39 AM	#5
softballnrd27 Always a work in progress Join Date: Jun 2007 Location: Harker Heights, TX Posts: 1,599	Re: LS Wiring harnesses questions Ok, thanks for the info. __________________ USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168

10-26-2010, 08:41 PM	#6
Big Port Jimmy 6 Addicted to Rust Join Date: Dec 2009 Location: Abbeville SC Posts: 1,030	Re: LS Wiring harnesses questions I have a DBC 6.0\4L80E harness. It is off of a van 01/02ish. It has two broken wires on the transmission range switch. I eliminated the switch from the harness on my swap. PM me if you are interested. Jay __________________ Current trucks: (48 GMC100 320 inliner) Gone (48 Suburban in pieces) Sold 87 GMC CCSB 5.3 4l60E Daily Driver ECTA National record holder XO/PP We never really grow up, we just learn how to act in public.

10-27-2010, 04:34 PM	#7
softballnrd27 Always a work in progress Join Date: Jun 2007 Location: Harker Heights, TX Posts: 1,599	Re: LS Wiring harnesses questions PM Sent __________________ USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168



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