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03-30-2008, 11:43 PM
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#1 |
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Addicted to Chevy
Join Date: Dec 2004
Location: Tyler, Tx
Posts: 857
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tach wiring diagram?
i have recently replaced my original dash with the hard to find tach dash -
there is a 3 prong plug on the back with the wires clipped off (black, borw and pink wires). where do these run to? pic included: |
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03-30-2008, 11:53 PM
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#2 |
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Addicted to Chevy
Join Date: Dec 2004
Location: Tyler, Tx
Posts: 857
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Re: tach wiring diagram?
also, i have been running a set of sunpro gauges for my temp reading- how does the temp sensor hook up to the cluster? followed the traces and it seems to be a brown wire (if this helps)
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03-31-2008, 01:49 AM
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#3 |
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In the Forgotten far North.
 
Join Date: Jul 2007
Location: Anchorage, Alaska
Posts: 2,627
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Re: tach wiring diagram?
If you take a really close look at the back side of your cluster right where the tach terminals are at you will see the following marks on yours as well......
12V GND COIL As you look at the terminals on the back of the tach, you'll see two (2) side-by-side and a third one below. Going clock-wise from the top most terminal they hook up as follows; 12V switched power Ground Tach signal- Run this lead through the firewall directly to the tach lead terminal on the H.E.I. DISTRIBUTOR CAP.
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1987 R3500 CREW CAB DUALLY (BIG RED)Acquired 06/12/2015 1990 chevy suburban V2500 5.7L My cluster Mods-Nov 2007 overhead console Stereo install Round 2 Aug 2009 Heated/turn signal mirror upgrade Last edited by BLE 'BURBAN; 03-31-2008 at 01:55 AM. |
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03-31-2008, 02:04 AM
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#4 |
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Addicted to Chevy
Join Date: Dec 2004
Location: Tyler, Tx
Posts: 857
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Re: tach wiring diagram?
BLE youre the best... im glad someone else besides me spends WAY too much time on here...
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03-31-2008, 02:04 AM
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#5 |
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Addicted to Chevy
Join Date: Dec 2004
Location: Tyler, Tx
Posts: 857
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Re: tach wiring diagram?
and in all honesty, i really didnt look closely at it...
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03-31-2008, 05:19 AM
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#6 | |
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Low & Fast!
Join Date: Jan 2007
Location: Knoxville, TN
Posts: 3,110
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Re: tach wiring diagram?
Quote:
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03-31-2008, 08:11 AM
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#7 |
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Registered User
Join Date: Jan 2008
Location: Lakeworth, Fl
Posts: 633
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Re: tach wiring diagram?
It's + and - from bat and to the + of the coil!! maybe
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2001 silverado 2wd 2003 silverado 4wd 1975 scottsdale c10 (project) |
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03-31-2008, 09:01 PM
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#8 |
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Addicted to Chevy
Join Date: Dec 2004
Location: Tyler, Tx
Posts: 857
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Re: tach wiring diagram?
hooked it up - works wonderfully! thanks for all the help again BLE
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