confirm black/red wire location connection?
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Junior Member
Joined: Jul 2003
Posts: 9
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From: New York, Weedsport
Car: 85 iroc z28
Engine: 305 tpi
confirm black/red wire location connection?
i have a black / red stripe wire thats connected to a plug on pass side firewall witch is connected to two fat pinks wires with a fusible link...i have been lead to believe that this wire is (est ref low). My question is what do i connect it to the battery? or is it a ground?
Supreme Member
Joined: Apr 2010
Posts: 4,337
Likes: 29
From: Aurora, OR
Car: 87 IROC Z28
Engine: 355 cid TPI
Transmission: Custom Built 700R4 w/3,500 stall
Axle/Gears: QP fab 9" 3.70 Truetrac
Re: confirm black/red wire location connection?
EST goes straight to ECM with no splices. A ground wont have a fuse link in it. The closest thing I could find in the factory diagram is the hood light power. It comes from the starter sol. via a large red wire than through a fuse link to a small blk/red wire. Hope this helps.
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