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Old 07-19-2020, 08:42 PM
firebirdcrazy1959's Avatar
firebirdcrazy1959 firebirdcrazy1959 is offline
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Default need help-tach wiring 77 T/A

wasn't paying attention when i removed the dash and wire harness when i started working on it last year,got every thing hooked up but am confused on the tach wiring.i have the wire with the fuse holder that goes through the firewall from the dist to the tach,but remember a pink wire also that was connected to another pink wire.Is that the one that goes in the fuse panel in the ignition slot to the tach also?

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1977 Trans Am,400 4 speed,numbers matching car
1979 Bonneville ,1 owner car...
1997 Trans Am convertible,LT1/auto.
  #2  
Old 07-20-2020, 06:39 AM
Aus78Formula Aus78Formula is offline
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Yes, depending on your combination of options it likely uses a piggyback harness to connect to fusebox. A common combination is tacho with power windows, uses Y-shaped pink harness onto ACC. terminal.

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Old 07-20-2020, 07:21 AM
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firebirdcrazy1959 firebirdcrazy1959 is offline
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Quote:
Originally Posted by Aus78Formula View Post
Yes, depending on your combination of options it likely uses a piggyback harness to connect to fusebox. A common combination is tacho with power windows, uses Y-shaped pink harness onto ACC. terminal.
yes thats it,power windows,and a y shaped pigtail..thanks.

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1977 Trans Am,400 4 speed,numbers matching car
1979 Bonneville ,1 owner car...
1997 Trans Am convertible,LT1/auto.
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