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light blue wire on wire harness destroyed

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Old Jul 20, 2015 | 11:36 AM
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zachzacharyzak's Avatar
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Default light blue wire on wire harness destroyed

So I decided to change out my tach board and switch to led lighting. I also know smoke was coming out from the dash one day. So I wanted to look at that. After taking it off I saw my wireing harness was burnt all up. Everything works besides blower motor. Could be that. Just wanted to check and see if anyone knows what wire that is
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Old Jul 20, 2015 | 12:23 PM
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Originally Posted by zachzacharyzak
So I decided to change out my tach board and switch to led lighting. I also know smoke was coming out from the dash one day. So I wanted to look at that. After taking it off I saw my wireing harness was burnt all up. Everything works besides blower motor. Could be that. Just wanted to check and see if anyone knows what wire that is
You'll likely get a quicker answer if you post what year your car is.
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Old Jul 20, 2015 | 12:26 PM
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Disconnect the battery now !
Do not turn anything on until you unwrap that mess,
and separate the wires, to allow full view of damage.
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Old Jul 20, 2015 | 12:32 PM
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It would be really nice if members (especially those that are seeking help) completed their profile so that we at least knew the year of the car.
The light blue wire is a warning indicator for headlamp opening and door ajar, and a wire to the wiper door relay on cars so equipped. Something in a high amperage circuit has shorted. Probably not the blue wire-I would think that a wire of that gauge would have melted long before the harness cooked to that extent. Since you say the blower doesn't work, I would start there. But you also have to unwrap the harness and repair any damage that has occurred at the pictured area.
That tape wrapped around the connector doesn't appear to be OEM. Check that for a short.

Last edited by jnb5101; Jul 20, 2015 at 12:34 PM.
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Old Jul 20, 2015 | 06:36 PM
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From: Marion Virginia
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Thank you guys for your help. I usually add the year to the title because I'm always on mobile. Switched to full site and got it put in though I know how annoying that can be. I've been on alot of fourms over the years. I'll look into it more tonight and tomorrow. I'll update then. I felt like it was the blower motor as well. But with the wire being so small I didn't think it was the case. I'll check it out though
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Old Jul 20, 2015 | 06:41 PM
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From: Marion Virginia
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1976 btw
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