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#1 |
Registered User
![]() Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
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New wiring harness question
Hello guys I have a few questions. For the first time tonight I put power to my new wiring harness. The first thing that came on was the windshield wipers so I switched them off and them started thinking since the key switch was off how come they can on? I can't remember but I don't think the wipers should work with key off. Is that correct? The hardness even has power for door locks and window which all have power with the key off. I can see the door lock power by window too?
It's a new painless harness. Thanks in advance. Scott
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1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD* GO ![]() |
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#2 |
Registered User
![]() Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
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Re: New wiring harness question
Anyone?
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1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD* GO ![]() |
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#3 |
Registered User
![]() Join Date: Jan 2012
Location: Phoenix, Arizona
Posts: 499
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Re: New wiring harness question
They don't work with trhe key off in my truck.
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#4 |
Registered User
Join Date: Jun 2006
Location: Lutz, Florida
Posts: 838
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Re: New wiring harness question
I would check the ign switch wiring first.
A question: Do other things like the radio or the heater fan run with the switch in the off positition? Then there might be a 12v batt circuit back feeding the run circuit Start removing fuses (leaving the wiper one in) to see if you can get the issue to stop. If you remove one and it quits working with the ign off. You can then trace back on that circuit to see if you have something miss wired like a relay wired Normally closed when it should be wired normally open. Or somewhere in that circuit you (can't believe this would happen) connected a wire in the wrong place. :-) Let us know what you find or don't find.
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1967 Red, C10 Short Bed 6.0L T5 5 speed 1967 Orange and Black C50 6.2 Detroit Diesel NV4500, 2 Ton Pickup 1972 White, Chevy Blazer 2WD 67 Dog house 5.3 4L65 2016 Power Tour LH 1955 Red-Cream, Chevrolet Nomad, restoration on hold 2004 Black, Corvette Z06 LS6 convertible (Rock solid Fun) 2011/2018 Power Tour |
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#5 |
Registered User
![]() Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
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Re: New wiring harness question
I didn't think the wipers were supposed to work with the key off. I will check the fuses today as I want to find out what's up. Painless doesn't come with the wiper plug as they say they are not remanufactured. So I removed the old wires and wired in the new ones but I would not think that would change if the power to the wiper motor was switched power or power all the time. I will check the fuses and double check the wires.
Thanks sometimes I just need someone else to confirm what I am thinking. Thanks
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1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD* GO ![]() |
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#6 |
Registered User
![]() Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
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Re: New wiring harness question
Ok so I put a test light on the wires to the wiper. When I removed the 30am fuse marked coil the light went out. I follows the wires and no short. Do you think it is because I have not completely finished the wiring? Could it be back feeding? I think I am going to have to call painless.
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1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD* GO ![]() |
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#7 |
Registered User
![]() Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
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Re: New wiring harness question
Anyone have a clue? I will be taking the fuse panel appart to see if I can find the short. I even removed the firewall plug and plugged a terminal in the coil lead and my interior lights cam on. I am a little pissed with this. I will be calling painless tommorow.
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1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD* GO ![]() |
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#8 |
Registered User
Join Date: Jan 2007
Location: shoreline, wa
Posts: 1,565
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Re: New wiring harness question
Check that all the wires in the ignition switch plug are in the rite spot. When I did mine I had to switch wires around in the headlight plug to match the headlight switch for any lights to work. You should be able to find a diagram with labels for the ignition switch online or in a factory manual.
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68 swb fleet bagged on 20's 327 with 4 speed http://67-72chevytrucks.com/vboard/s...d.php?t=223308 2014 Chevy 2500hd duramax CCLB |
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#9 |
Registered User
![]() Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
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Re: New wiring harness question
Well I traced all the wires and found that painless crossed the 2 wires main power and coil wire at the bulk head on assembly. So when I hooked up power to the red wire I was feeding power into the wire that was supposed to supply power to the coils when the key is on. All I had the do was switch the 2 wires at the bulkhead fitting. Works perfectly now.
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1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD* GO ![]() |
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