1990 Firebird ls swapped Tach and speedometer not working
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Joined: Nov 2018
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From: Alabama
Car: 1990 Firebird
Engine: 4.8
Transmission: 4l60e
1990 Firebird ls swapped Tach and speedometer not working
I bought a 90 Firebird ls swapped. Has 99 z28 computer. All gauges work but the speed and tach. What do I need to do or look for to get it to work.
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