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#1 |
Registered User
Join Date: Mar 2006
Location: San Ramon, California
Posts: 276
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What wiring harness to use?
I need a full replacement as my stock one is thrashed.... Ive heard good and bad things about PAINLESS... What have you used?
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My 1972 Blazer 5.3 E85/ NV4500 5spd 4x4 Work in Progress http://67-72chevytrucks.com/vboard/s...d.php?t=291482 ****SOLD!!!!!**** 1965 GMC 4X4 http://67-72chevytrucks.com/vboard/s...d.php?t=294727 |
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#2 |
Future TOTM Winner
Join Date: Aug 2006
Location: Bulverde, TX
Posts: 2,692
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Re: What wiring harness to use?
Are you going to try to splice an aftermarket 67-72 harness into a factory 5.3 harness? Or are you looking for something that will take care of everything including your engine swap? I don't really have an answer, but the extra detail might help someone else jump in.
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72 Chevy CST K5 HIGHLANDER BLAZER Getting a 6.0,NV4500,NP205,14BFF (Currently laying all over the place in little pieces) 72 Chevy swb step-side "LS" 6.0 Here's a build thread of sorts 2002 HD2500 Crew Cab, 8.1L Allison 4x4 Daily Driver Check it out www.lsdyno.com Last edited by Critter; 09-07-2008 at 04:40 PM. |
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#3 |
Registered User
Join Date: Mar 2006
Location: San Ramon, California
Posts: 276
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Re: What wiring harness to use?
I already have the engine wiring harness down to a 4 wire plug and play... Im talking about a full headlight to taillight harness such as http://www.jegs.com/i/Painless/764/10206/10002/-1
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My 1972 Blazer 5.3 E85/ NV4500 5spd 4x4 Work in Progress http://67-72chevytrucks.com/vboard/s...d.php?t=291482 ****SOLD!!!!!**** 1965 GMC 4X4 http://67-72chevytrucks.com/vboard/s...d.php?t=294727 |
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#4 |
TILT COLUMN GURU
![]() Join Date: Dec 2006
Location: FRESNO CA
Posts: 4,276
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Re: What wiring harness to use?
I recomend the EZ wiring 18 circuit universal harness. For half the price of a Painless. It does not use a bulk head connector thru the firewall you can weld that hole and you can hide all your wiring for a clean look. I have done this many times before with great results.
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#5 |
Registered User
Join Date: Mar 2006
Location: San Ramon, California
Posts: 276
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Re: What wiring harness to use?
That ez harness looks great! i thought that $400 was ridiculous for a harness... ive never wired a truck before, do you just cut off the stock wires at the connectors and splice into the new harness or???
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My 1972 Blazer 5.3 E85/ NV4500 5spd 4x4 Work in Progress http://67-72chevytrucks.com/vboard/s...d.php?t=291482 ****SOLD!!!!!**** 1965 GMC 4X4 http://67-72chevytrucks.com/vboard/s...d.php?t=294727 |
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#6 |
The LuvShack Garage
Join Date: Jan 2004
Location: Maple Grove, TN (West Side)
Posts: 30,477
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Re: What wiring harness to use?
M & H
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Owner/Op: "TN Classic Transport Carriers" The Toy: "Square Vette" 72 Hybrid Blazer Toy Barn: "LuvShack" 40 x 60 x 20 Shop Tow Piggy:"Maddy" 88 Silverado 3500 Hauler: "Feathers" 14 Aluma 8218T |
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#7 |
Registered User
Join Date: Dec 2006
Location: Wesley Chapel, Florida
Posts: 1,113
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Re: What wiring harness to use?
I recommend american autowire they have both custom and factory fit harness you can build what you want on their site.
www.americanautowire.com
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2004 Chevy Silverado 1500LS SWB 5.3L 2004 Corvette Z16 #770 Wish I had not sold 72 blazer |
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#8 |
urban fourwheelin
Join Date: Aug 2002
Location: Seattle
Posts: 1,007
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Re: What wiring harness to use?
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1972 K5 Blazer with Cummins 4BT, NV4500 swap in the parts gathering stage. Last edited by RED72blazer; 09-08-2008 at 09:19 PM. |
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#9 |
I'm a poor spectator
Join Date: Aug 2006
Location: San Antonio, Tx
Posts: 2,287
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Re: What wiring harness to use?
I like the M and H but the catalog sucks IMO. I can't find what I want (it's just taking forever to find it and i'm impatient), I guess it's better to just contact them and tell them what you're looking for.
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2006 Jeep Unlimited IMPACT ORANGE 1993 Chevy 2500 4x4 ExCab LWB 454/NV4500 Tow rig ![]() 1977 Ford F100 2x4 LWB 1st truck I owned, still have it!!! ![]() 1979 Ford F150 4x4 SWB Built Ford Tough!!! ![]() 1971 Chevy Blazer 350 / SM465 / NP205 UNDER CONSTRUCTION Soon to have a LQ4 6.0!!! |
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#10 |
2WD Jimmy
![]() Join Date: Mar 2005
Location: Davis County, Utah
Posts: 2,564
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Re: What wiring harness to use?
AAW is coming out with their Classic update kit for our trucks in Dec. They have the mule in their shop now.
Thats what Im waiting for. |
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#11 |
Hot Rods For Life
Join Date: Sep 2001
Location: Waxahachie, TX
Posts: 3,305
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Re: What wiring harness to use?
What about the engine harness? Any goos suggestions?
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#12 |
Senior Member
![]() Join Date: Jan 2000
Location: LHC, AZ
Posts: 385
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Re: What wiring harness to use?
M&h.
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70 Jimmy 4x4 71 GMC 2500 Too bad stupidity isn't painful Last edited by Steven B; 09-09-2008 at 06:16 PM. |
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#13 |
Registered User
Join Date: Dec 2006
Location: Wesley Chapel, Florida
Posts: 1,113
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Re: What wiring harness to use?
On the dash harness it is listed with guages and without guages? How do you tell which one is which?
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2004 Chevy Silverado 1500LS SWB 5.3L 2004 Corvette Z16 #770 Wish I had not sold 72 blazer |
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#14 |
Registered User
Join Date: Jan 2007
Location: Vancouver Island, British columbia
Posts: 138
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Re: What wiring harness to use?
I couldn't find a kit for blazers on the american auto wire site. Do you know the part number or did you use a fullsize truck harness and shorten the tail light wires
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#15 |
ROCKWELL 5 TON CLUB !!
![]() Join Date: Oct 2006
Location: indiana
Posts: 516
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Re: What wiring harness to use?
i found a painless 18 ckt harness on ebay about 1.5 yrs ago,paid $200.00
and it was nice.easy to install,all new connectors,new style fuse block,plenty of length of wire...would buy painless again for sure. plus it was very easy to hook my 5.3 harness up to as well. just my .02
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1970 K5 "ON THE ROCKS" PROJECT:500hp 6.0 fuel injected. 2wd sm465 trans,t136 2.5 ton transfercase,5ton rockwells with 9.34 gears,custom wheel disc brakes,full hydro steering20+" OF LIFT AND 67/35/25's..67" tall TRACTOR TIRES.."THE MUD SLUT!!" MY BUILD THREAD: http://67-72chevytrucks.com/vboard/s...d.php?t=221935 1997 TAHOE,SAS D60 14B,5:13 DISC BRAKES,CROSSOVER STEER,HYDRO ASSIST,42 IROKS HINT:NEW NAME "K5ontheROCKS!" |
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#16 |
Registered User
Join Date: Dec 2006
Location: Wesley Chapel, Florida
Posts: 1,113
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Re: What wiring harness to use?
AAW list the blazer and suburban specific stuff under full size truck.
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2004 Chevy Silverado 1500LS SWB 5.3L 2004 Corvette Z16 #770 Wish I had not sold 72 blazer |
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#17 |
People know me
Join Date: Jun 2007
Location: Hermiston, oregon
Posts: 840
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Re: What wiring harness to use?
i got a summit racing 18ckt one in my blazer, easy to install and was only $200
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1972 k/5 blazer CST 4X4 Crate 350, th350/205, dana44with trac-loc/14 bolt with detroit locker, 4 wheel discs 4.56s, 8" suspension lift using 73-87springs, 1" zerorate custom front crossmember, HAD CV drivelines and driveshaft e-brake, full cage, PRP seats, Full autometer gauges, 38x14.5x16 Toyo M/Ts, 16x10 Polished aluminum rockcrusher wheels 1967 longbox 4x4, Strong 400/400/208, 44/12bolt 4.10s, 6" lift, 35" Toyo M/Ts on corvette rally wheels |
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#18 |
Registered User
Join Date: Oct 2007
Location: Desert Southwest
Posts: 540
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Re: What wiring harness to use?
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#19 |
Registered User
Join Date: Apr 2006
Location: East Sooke B.C. Canada
Posts: 543
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Re: What wiring harness to use?
I don't know about the other manufacturers, but in my opinion Painless is a cheep wiring job. Put together with butt connectors. I prefer to make my own starting with a decent factory harness, and using factory style connectors, and solder and shrink wrap. I have found butt connectors create problems in time, and have to fix many Hot Rods with wiring problems do to high resistance from bad contacts.
Heres one that drove me batty trying to find wiring problems Last edited by pumpkin; 09-13-2008 at 11:00 AM. |
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#20 |
Registered User
Join Date: Dec 2006
Location: Wesley Chapel, Florida
Posts: 1,113
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Re: What wiring harness to use?
When ordering the under dash harness from any of the manufactures it list instruments with guages or without guages?? Anyone know how to identify which is in my truck? Does that mean the idiot lights? or something else?
__________________
2004 Chevy Silverado 1500LS SWB 5.3L 2004 Corvette Z16 #770 Wish I had not sold 72 blazer |
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#21 | |
Registered User
Join Date: Mar 2008
Location: St Louis, MO
Posts: 533
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Quote:
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#22 |
Registered User
Join Date: May 2007
Location: nepa
Posts: 745
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Re: What wiring harness to use?
its for the trucks. trucks blazer its all the same.. wires are long enough for the blazer as well..
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#23 |
Registered User
![]() Join Date: Nov 2009
Location: farmington nm
Posts: 178
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Re: What wiring harness to use?
Get a painless. It cost more but it's worth it. I hate my ez wire.
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71 Chevy blazer. (Modified) |
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#24 |
Registered User
Join Date: Dec 2012
Location: Mentone, CA
Posts: 18
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Re: What wiring harness to use?
Did a painless last summer in my 69 K5 and I'll say it may seem expensive but in the long long run worth every penny, I say that because a bought an AAW for my jeep and I can say that the AAW kit is not as complete as the painless and the diagrams aren't as good either. To each his own in the end though.
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69 K5 73 CJ5 |
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#25 |
Registered User
Join Date: Oct 2016
Location: Napa, CA
Posts: 31
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Re: What wiring harness to use?
http://www.painlessperformance.com/webcat/10206
Curious if this is the Painless wiring harness people have used? Is $520 worth it? I have soo many crossed up wires, bare hanging wires, loose ends under my dash I feel like I need to take control of this mess. Plus my fuse box is pretty much rusted over. |
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