turbogp218 Posted September 26, 2006 Report Share Posted September 26, 2006 i was wondering if snyone knows how to wire in a after market tach on grand prix's it is a 1992 Quote Link to comment Share on other sites More sharing options...
Garrett Powered Posted September 26, 2006 Report Share Posted September 26, 2006 a 92 TGP? Quote Link to comment Share on other sites More sharing options...
GOT2B GM Posted September 26, 2006 Report Share Posted September 26, 2006 look for a white tach signal wire behind the gauge cluster Quote Link to comment Share on other sites More sharing options...
turbogp218 Posted September 26, 2006 Author Report Share Posted September 26, 2006 thanks for the info on the wire behind the cluster. And obviously it is not a tgp i asked in here because people in here know what they are talking about it is on my friends car Quote Link to comment Share on other sites More sharing options...
GOT2B GM Posted September 26, 2006 Report Share Posted September 26, 2006 no prob Quote Link to comment Share on other sites More sharing options...
Pontiac6KSTEAWD Posted September 29, 2006 Report Share Posted September 29, 2006 Going to be doing something like this to my TGP since I have dualing guages. Is there a way to access the white wire without pulling the cluster and dash pad? I want to wire mine in with a harness that I can take out when not racing. Quote Link to comment Share on other sites More sharing options...
GOT2B GM Posted September 29, 2006 Report Share Posted September 29, 2006 You could probably tap into a tach signal at the firewall connector or at the ICM. Quote Link to comment Share on other sites More sharing options...
GutlessSupreme Posted September 29, 2006 Report Share Posted September 29, 2006 You could probably tap into a tach signal at the firewall connector or at the ICM. Possibly even at the OBD 1 connector. Pretty sure you can get the signal from there. Quote Link to comment Share on other sites More sharing options...
slick Posted September 30, 2006 Report Share Posted September 30, 2006 You could probably tap into a tach signal at the firewall connector or at the ICM. Possibly even at the OBD 1 connector. Pretty sure you can get the signal from there. Yep, you should be able to get it from there also. Quote Link to comment Share on other sites More sharing options...
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