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05-14-2009 | #1 |
Join Date: Jul 2005
Location: Mendota Heights, MN. 55120
Posts: 984
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Shift Light Install
I am adding a shift light and was wondering if I could splice into the tach wire above the hush panel or do I have to go back to the ignition module??? Probably a stupid question but I want to make sure before I start slicing and dicing I think the wiring schematic shows a white wire for the tack input.
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Bob Anderson 1990 #2405 White/Gray Haibeck chip,4:09 gears,Power Effects Exhaust,5 spoke chrome,C5 brakes,49th Street rockers,K&N,Hurst,Headers,Upper & lower ported Minnesota State Director Founding Member #19 |
05-14-2009 | #2 |
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Shift Light Install
you could splice into the wire going into the cluster for TACH.. otherwise, under hood at IM
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
05-15-2009 | #3 |
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,394
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Re: Shift Light Install
Run the tach lead through the firewall to the white wire you mentioned. It's in a plug near the ECM. I can't take a photo right now, but could in the morning & show you where it is and my shift light tie-in. No need to splice into the wire as I recall.
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
05-16-2009 | #4 | |
Join Date: Jul 2005
Location: Mendota Heights, MN. 55120
Posts: 984
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Re: Shift Light Install
Quote:
If you could send a pic it would really help. I can't find the cluster Thanks...........
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Bob Anderson 1990 #2405 White/Gray Haibeck chip,4:09 gears,Power Effects Exhaust,5 spoke chrome,C5 brakes,49th Street rockers,K&N,Hurst,Headers,Upper & lower ported Minnesota State Director Founding Member #19 |
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05-16-2009 | #5 |
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,394
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Re: Shift Light Install
Bob,
Took a few photos, pulled out a spare harness & photo-shopped a bit. I didn't have the connector to plug in to the receiving end of the plug shown, so I trimmed the end of the tach lead & tinned it until it fit snugly into the harness end of the F connector. After it was fitted, I threaded it through the cap, pushed it into the harness side & slid the cap down & installed it. The black retainer holds the wire in just fine & never had a problem. No cutting or splicing into the harness.
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
05-16-2009 | #6 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,709
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Re: Shift Light Install
Jerry,
Where did you snake wire thru firewall for shift light? I'm about to do this myself. |
05-16-2009 | #7 |
Join Date: Jul 2005
Location: Mendota Heights, MN. 55120
Posts: 984
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Re: Shift Light Install
Thanks Jerry. I saw that one but I didn't think it was the right connector.
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Bob Anderson 1990 #2405 White/Gray Haibeck chip,4:09 gears,Power Effects Exhaust,5 spoke chrome,C5 brakes,49th Street rockers,K&N,Hurst,Headers,Upper & lower ported Minnesota State Director Founding Member #19 |
05-16-2009 | #8 |
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,394
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Re: Shift Light Install
Well, I can't remember & can't see it under the dash because it's probably under the insulation. I can see from the top that it goes down below the steering column but can't get under the car now to see it. Sorry I can't be of more help right now.
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
05-16-2009 | #9 | |
Join Date: Jul 2005
Location: Mendota Heights, MN. 55120
Posts: 984
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Re: Shift Light Install
Quote:
Jerry thanks again for the help
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Bob Anderson 1990 #2405 White/Gray Haibeck chip,4:09 gears,Power Effects Exhaust,5 spoke chrome,C5 brakes,49th Street rockers,K&N,Hurst,Headers,Upper & lower ported Minnesota State Director Founding Member #19 |
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05-17-2009 | #10 |
Join Date: Dec 2003
Location: Chicagoland,IL
Posts: 2,679
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Re: Shift Light Install
If your installing the shift light in the vent.
You can pick up hot and ground from the center console the extra wires the factory has left for just this reason. They are by the hatch release botton (center console). Pete
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'91 #1635 PoloGreen 350 LT5 11.09 @ 129.27 11.04 @ 128.86 474RWHP 400RWTQ http://www.youtube.com/watch?v=SFNFOhGGlR4 http://www.youtube.com/watch?v=ZlRIOMwaDYY https://sites.google.com/site/peteszr1garage |
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