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09-27-2013, 10:05 AM
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#1 |
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Registered User
Join Date: Feb 2012
Location: Big Valley. Alberta
Posts: 674
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Factory tach wiring
Trying to get my factory tach working in the 81 K35. There was a thread a while ago with some diagrams,but I can't seem to find it.Any help would be great,TIA.
Posted via Mobile Device Posted via Mobile Device
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1977 Chev C30 454/465/14ff DRW 1974 Chev C20.350/465/14ff " Rock n Roll ain't noise pollution" 
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09-27-2013, 10:54 AM
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#2 |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,977
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Re: Factory tach wiring
The 81 diagrams are in the back of the service manual. Look in my sig.
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1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
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09-27-2013, 11:19 AM
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#3 |
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Wide n'Low
 
Join Date: Jan 2007
Location: La Center, WA
Posts: 1,511
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Re: Factory tach wiring
Here you go, I posted these on another thread some time back, adding to the list as I get time
http://www.2heeldrive.com/Chevrolet/...ng_Diagrams%2F
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Trippin Hazard.. 67 swb, Gold Member.. 68 Suburban Air Force Retired |
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09-27-2013, 11:55 AM
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#4 |
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Slots go on anything!
Join Date: May 2003
Location: Richardson, TX
Posts: 5,957
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Re: Factory tach wiring
There are only 3 wires to the tach itself. You need a signal wire from the distributor to the tach, switched 12V+, and ground. The back of the tach is labeled as well.
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1974 Jimmy- 5.3/4L80e/NP241 |
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09-28-2013, 04:29 AM
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#5 |
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Registered User
Join Date: Feb 2012
Location: Big Valley. Alberta
Posts: 674
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Re: Factory tach wiring
Thanx guys,that should work...
Posted via Mobile Device
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1977 Chev C30 454/465/14ff DRW 1974 Chev C20.350/465/14ff " Rock n Roll ain't noise pollution"
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Linear Mode
