Tach signal for dyno - Performance Forum

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Tach signal for dyno
Thursday, August 10, 2006 11:34 AM
I can't seem to find my wiring pinout for the idi cover connector. I don't remember which wire is for rpm. I'm planning on hitting the dyno and will probably need to supply them with this info. Anybody have the diagram or a gm manual to look it up? Would be awsome if you could scan it and email it to me.

Thanks
Nate c22_t@hotmail.com




Evolution of Cavyboy-->C22t--> C24na--->c24s/c
1995 Cavalier W/2k1 Engine
GM S/C 13.940@99.78pmh w/2.068 60ft

Re: Tach signal for dyno
Thursday, August 10, 2006 12:09 PM
on my ecotec they dyno i went to they have a wire hook around one of your injector harnesses and it worked golden.. you may need to find out if this shop is like that or what...



Re: Tach signal for dyno
Thursday, August 10, 2006 2:26 PM
Pink wire is RPM signal. In the past they always hooked the clip around the wiring harness going into the IDI and it worked.



FU Tuning



Re: Tach signal for dyno
Thursday, August 10, 2006 3:14 PM
Thanks John H.





Evolution of Cavyboy-->C22t--> C24na--->c24s/c
1995 Cavalier W/2k1 Engine
GM S/C 13.940@99.78pmh w/2.068 60ft
Re: Tach signal for dyno
Thursday, August 10, 2006 3:17 PM
when i dyno'd mine they had to sperate a few wires out of the idi harness so that they had a good siginal






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