Installing shift light???witch wire for tach terminal?
05-09-2004, 12:49 PM
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Car: GTA WS-6 1989 fully loaded
Engine: 1995 9C1 LT1 police pak XE cam
Transmission: t-5 borg warner
Installing shift light???witch wire for tach terminal?
it seem to be very hard to find the good wire in the dash. is it possible to plug it right to the coil??? if yes there is 4 wire witch one???
05-09-2004, 01:20 PM
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Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
It should be the white wire going to the dash from pin "D6" of connector C100 at the driver side firewall under the dash. This wire comes off the coil.
05-11-2004, 02:38 PM
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Car: GTA WS-6 1989 fully loaded
Engine: 1995 9C1 LT1 police pak XE cam
Transmission: t-5 borg warner
???
dont find the plug under the dash
and on the coil there is 2 white wire ans 2 red wire
but one grey plun and one black witch one???
and on the coil there is 2 white wire ans 2 red wire
but one grey plun and one black witch one???
05-11-2004, 03:14 PM
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Car: 1991 Chevy Camaro
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 3.42
The wire you want is a white wire that goes from the coil to the wiring harness. If you look you should see a grey connector attached to that white wire, thats the tach filter. The other white wire should go to the distributor.
If you wait just a minute I'll tell you if its the grey or black connector.
If you wait just a minute I'll tell you if its the grey or black connector.
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05-11-2004, 03:23 PM
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Car: 1991 Chevy Camaro
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 3.42
It doesn't really matter a whole lot if its TPI or TBI (for this application). According to the wiring diagram I'm looking at for your car, its the same.
Its the white wire coming off the coil, to the wiring harness, NOT to the distributor. That's the tach signal.
Its the white wire coming off the coil, to the wiring harness, NOT to the distributor. That's the tach signal.
05-11-2004, 06:32 PM
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Car: GTA WS-6 1989 fully loaded
Engine: 1995 9C1 LT1 police pak XE cam
Transmission: t-5 borg warner
automatical advance wire???
the white wire that goes to wirering harness is the automatical advance thats the one??? the other white wire is going to distributor???
05-11-2004, 07:51 PM
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Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
The red (pink?) & white wire in the black connector on the ignition coil goes to the distributor. The white wire in the gray connector goes to the tachometer, prior to that it splits off and goes to the Electronic Spark Control module on the drivers firewall. The red wire goes to the ignition.
05-11-2004, 07:55 PM
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Car: 1991 Chevy Camaro
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 3.42
Yes, it is the white wire going to the wiring harness.
Last edited by Benm109; 05-11-2004 at 07:59 PM.
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