Hooking up tach
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Joined: Jan 2003
Posts: 366
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From: Indianapolis Indiana
Hooking up tach
Wondering how to hook up a tachometer without already having the wires for one....its an 87 2.8 firebird...and has no tach already and i was wondering what it would hook up to. thx
Senior Member
Joined: Aug 2002
Posts: 676
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From: Detroit, Michigan
Car: 04 Xtreme Blazer
Engine: 4.3L V6
Transmission: 4L60E
I think that uses the same type of coil as the V8, you need to set the tach(cut wire, switch ect.,) for a 6 cyl(in tach instructions), run the wire for the engine to the white wire coming off the grey connector on the coil
Senior Member
Joined: Aug 2002
Posts: 676
Likes: 0
From: Detroit, Michigan
Car: 04 Xtreme Blazer
Engine: 4.3L V6
Transmission: 4L60E
after that , there are 3 other wires(not sure on colors), ground, key on power and dash lights(for this I tap the dash lights fuse, all I've done this on dim the tach light same as factory gauges)
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