View Poll Results: Which would be the best wiring harness.
Stock harness
68
80.00%
Painless
17
20.00%
Voters: 85. You may not vote on this poll
Stock wiring harness vs. Painless-Poll
#4
TECH Enthusiast
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#11
TECH Apprentice
Join Date: Oct 2005
Location: florida
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I know this is kinda far fetched,but just how many wires is there to hook to the donor truck,er,car using the stock harness?Starter,ignition,hot for the computer......????just wondering.If its impossible to answer off of the question,i understand..
#12
sawzall wielding director
iTrader: (4)
It depends on what exactly you are using. If you are using a truck underhood fusebox and wiring harness you can have the engine running by hooking up ~5 wires, that doesn`t include gauges, cruise, A/C. I would say on the average f-body LS1 wiring harness including gauges ~20-30 wires would be a safe estimate.
#14
TECH Fanatic
iTrader: (13)
If you want a basic harness to get your car running, then modifying a stock one is something to try. If you want all the functionality that the electronics can provide, then it's great to rely on someone who knows them inside and out. My harness runs my ETC throttle, cruise control, my 4L60E transmission, has a lead that raises my idle when the AC comes on, manages my alternator, had a relay for my fuel pump, had it's own fuse panel for the engine and came completely marked and ready to hook up. I had the extra set of O2 sensors removed along with all the other emissions connections that I did not need. It also came completely done in wire loom that I would consider show quality. It was made to my length specifications as well. My car fired on the first crank and has run perfect for over 3k miles now.
My harness came from Speartech. John was also very responsive to questions I had and helped me a bunch getting my cruise control working, my problem with my switch.
It was not cheap, but I felt it was money well spent to get my swap running with the least hassle.
Regarding Painless, they make great wiring products no doubt. But they tend to be one size fits all. If you want one that fits your needs exactly, either go with a custom harness maker, or give it a try yourself.
Pat
My harness came from Speartech. John was also very responsive to questions I had and helped me a bunch getting my cruise control working, my problem with my switch.
It was not cheap, but I felt it was money well spent to get my swap running with the least hassle.
Regarding Painless, they make great wiring products no doubt. But they tend to be one size fits all. If you want one that fits your needs exactly, either go with a custom harness maker, or give it a try yourself.
Pat
#17
On The Tree
Join Date: Jul 2004
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For my '69 I used the stock LS1 harness and modified it to fit my cars system.
One thing to consider is the connectors that is used to go to the cars system. The C100, C101, C105, C220 and C230. I got them from a donor car and by using them I didn't need to splice up the engineharness. Just connecting these wires to the car. I hooked it up through relays and nothing goes through the original system. 12V feed is directly from the battery, IGN HOT comes from the battery through a relay that is activated from the ign key. So there is not much that is dependent on the "old crappy system" as someone said.
Works great and is budgetfriendly.
Jan
One thing to consider is the connectors that is used to go to the cars system. The C100, C101, C105, C220 and C230. I got them from a donor car and by using them I didn't need to splice up the engineharness. Just connecting these wires to the car. I hooked it up through relays and nothing goes through the original system. 12V feed is directly from the battery, IGN HOT comes from the battery through a relay that is activated from the ign key. So there is not much that is dependent on the "old crappy system" as someone said.
Works great and is budgetfriendly.
Jan
#19
TECH Enthusiast
iTrader: (3)
if you want plug and play my first choice would be Speartech, you absolutely cannot beat the quality of their harness and the provisions they provide.
If you are not an idiot and can figure out wiring like me and don't want to blow a freaking assload of cash on a harness, Current Performance down in florida has a standalone harness part number SA-1000, I just bought one, and, with a hacked harness (they hack harnesses too, and do good work FWIW) you can easily integrate your stock harness into the SA-1000 and use it for all of your fuses, relays etc.
I had Wait4Me do my program and harness hacking. I got my SA-1000 from Jared @ Current Performance, and I am really happy with my setup. I'm gutting my wires right now, as a matter of fact
If you are not an idiot and can figure out wiring like me and don't want to blow a freaking assload of cash on a harness, Current Performance down in florida has a standalone harness part number SA-1000, I just bought one, and, with a hacked harness (they hack harnesses too, and do good work FWIW) you can easily integrate your stock harness into the SA-1000 and use it for all of your fuses, relays etc.
I had Wait4Me do my program and harness hacking. I got my SA-1000 from Jared @ Current Performance, and I am really happy with my setup. I'm gutting my wires right now, as a matter of fact
#20
i have a painless on mine. quality was good, i wished it was wrapped for me but beggers cant be choosers for the price. comes with a vats, only 2 o2 sensor hook ups but everything else is there for the ls1 and it fits both an auto and a stick, kinda good if you plan on swaps down the line. 4 wires to hook to your car and its done, ignition power, ground, fuel pump and key. Turn it and it runs, pretty sweet if you ask me.