tach output?
Merry Christmas....
http://shbox.com/1/4th_gen_tech2.html#1995_pcm_wiring
Scroll up to the PCM PinOut wiring diagram. Its the RED PCM connector, where the Tach output is located.
http://shbox.com/1/4th_gen_tech2.html#1995_pcm_wiring
Scroll up to the PCM PinOut wiring diagram. Its the RED PCM connector, where the Tach output is located.
Originally Posted by turbo86
Merry Christmas....
http://shbox.com/1/4th_gen_tech2.html#1995_pcm_wiring
Scroll up to the PCM PinOut wiring diagram. Its the RED PCM connector, where the Tach output is located.
http://shbox.com/1/4th_gen_tech2.html#1995_pcm_wiring
Scroll up to the PCM PinOut wiring diagram. Its the RED PCM connector, where the Tach output is located.
thats for a lt1, he has an ls1.
Originally Posted by andypz28
on the MSD window switch, where does the white wire connect to?
does it go straight to the pcm? or do i need the a relay for the tach output?
does it go straight to the pcm? or do i need the a relay for the tach output?
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Originally Posted by jldak318
pin 13 its a white wire if im not mistaken
Originally Posted by WS6HUMMER
Straight to the PCM, for 99 model cars its pin 10 on the red plug, white wire I think. 2002's may be different.
so its the white wire to the PCM but is it pin 10 or pin 13???
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Originally Posted by andypz28
so its the white wire to the PCM but is it pin 10 or pin 13???
http://www.ls2.com/boggs/torques/2002pcm.htm
Originally Posted by andypz28
awesome, thank you.
i looked at the chart but got confused
i looked at the chart but got confused
also, spoke with local msd, they're saying i need something to convert the tach signal from the pcm to to the window switch.
i forgot the part number but its an MSD product to convert it.
tried wiring to pcm directly but it did not work.
i forgot the part number but its an MSD product to convert it.
tried wiring to pcm directly but it did not work.
if you tae the harness off the ecu/pcm there is a blue plug, and a red plug, get to the red plug and then find the number 10 wire, its on the end not in the middle, and i believe when i did my install, it was a white wire, and did this on a 2002 z28
