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02-15-2020, 12:38 PM
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#1 |
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Born a Chevy Man
Join Date: Apr 2005
Location: Navarre, Florida
Posts: 10,221
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hooking up a oe tachometer in my 84
I have a used tachometer gage that I am putting into my 84' Silverado and was wondering does the 12volt wire from the tachometer hook up to a hot wire or one that comes on with the key switch?
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John or 86 (Viet Nam combat Vet-BIG RED ONE) '65-'66 *1986 Chevy SWB Silverado *1984 Chevy Longbed Silverado New Kia Sportage (Wife's car and she loves it)  CHEVY, American made w/pride!  If you can read this, YOU NEED TO THANK A TEACHER! If you can read this in ENGLISH, PLEASE THANK A SOLDIER!  GOD BLESS AMERICA AND BLESS OUR FIGHTING TROOPS |
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02-15-2020, 01:57 PM
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#2 |
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Registered User
Join Date: Jan 2011
Location: Redmond, OR
Posts: 754
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Re: hooking up a oe tachometer in my 84
Hook it up to an ignition switched source so it only has power with the key on.
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68 Chev C20- son has it now 83 K20 - bought from son 70 C20 - in progress |
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02-15-2020, 04:38 PM
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#3 |
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Born a Chevy Man
Join Date: Apr 2005
Location: Navarre, Florida
Posts: 10,221
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Re: hooking up a oe tachometer in my 84
OK, thanks-now all I have to do is find the right wire to hook it to.
__________________
John or 86 (Viet Nam combat Vet-BIG RED ONE) '65-'66 *1986 Chevy SWB Silverado *1984 Chevy Longbed Silverado New Kia Sportage (Wife's car and she loves it) CHEVY, American made w/pride! If you can read this, YOU NEED TO THANK A TEACHER! If you can read this in ENGLISH, PLEASE THANK A SOLDIER! GOD BLESS AMERICA AND BLESS OUR FIGHTING TROOPS |
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02-15-2020, 05:56 PM
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#4 |
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Registered User
Join Date: Nov 2009
Location: Sherman, ME
Posts: 2,354
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Re: hooking up a oe tachometer in my 84
There should be 3 receptacles over on the left side of the fuse box that are marked "IGN". You can plug the tach power wire into any one of them. If you have the factory tach harness, it should already have a plug on the end of the wire that will fit right into one of those receptacles. If not, you can buy a plug that will fit them here --> https://www.summitracing.com/parts/pco-0952pt?rrec=true
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02-15-2020, 06:18 PM
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#5 |
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Born a Chevy Man
Join Date: Apr 2005
Location: Navarre, Florida
Posts: 10,221
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Re: hooking up a oe tachometer in my 84
Thanks, Yes I have the OE wire that came with the tachometer. Appreciate the help guys.
__________________
John or 86 (Viet Nam combat Vet-BIG RED ONE) '65-'66 *1986 Chevy SWB Silverado *1984 Chevy Longbed Silverado New Kia Sportage (Wife's car and she loves it) CHEVY, American made w/pride! If you can read this, YOU NEED TO THANK A TEACHER! If you can read this in ENGLISH, PLEASE THANK A SOLDIER! GOD BLESS AMERICA AND BLESS OUR FIGHTING TROOPS |
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