need ecotec tach help fast - Performance Forum

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need ecotec tach help fast
Friday, April 22, 2005 9:18 PM
ok guys heres the deal. i have this nice, new Stewart Warner shiftlight/tach im trying to install. ive got it totally wired in...except the damn signal wire. i have no clue what to tap. i tried the pink wire on the ignition module connector and then had to go to work so i had to stop. i have tomorrow off and i wanna get this thing finished finally. anyone with any help PLEASE post here ASAP. i need to have this in and functioning soon so i can take some pics for SWP. thanks for your help guys.



I used to race cars, now I race myself.
5K PB: 24:50
10K PB: 54:26

Re: need ecotec tach help fast
Friday, April 22, 2005 9:21 PM
Anybody think he can tap the unused ECU pin like us 2k+ 2.4 guys can?





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Re: need ecotec tach help fast
Friday, April 22, 2005 9:34 PM
pink or white, I used white



maybe even orange



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Re: need ecotec tach help fast
Friday, April 22, 2005 9:36 PM
anyone know the PPR (pulses per revolution) of the crankshaft so i can get a proper reading? the choices are 1, 1.5, 2, 2.5, 3, 4, 5, 6. THANKS.

oh and ill try those wires tomorrow unless told otherwise.....



I used to race cars, now I race myself.
5K PB: 24:50
10K PB: 54:26
Re: need ecotec tach help fast
Saturday, April 23, 2005 7:14 AM
Yea I have the same tach Hypsy, and I am pretty sure it didn't work on anything else but the white wire, for the signal by the ignition module.
For the Pulse I think I did 2, because the tach is pre set for 8 cylinder, so just go down with it untill it reaches correct idle.




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Re: need ecotec tach help fast
Saturday, April 23, 2005 10:53 AM
ok its in and working. i did in fact use the white wire and the PPR is set to 1. works perfectly...shows me how slow the gauge cluster tach is at reading too. LOL



I used to race cars, now I race myself.
5K PB: 24:50
10K PB: 54:26
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