Stereo & Electronics - wiring mini tach help!!!
NeedaV8foundation
06-21-2008, 10:47 PM
ok so my buddy and i were trying to wire a mini tach that i got in the a-pillar. anyways we tried running it off of the #35 blue wire off of the PCM, and we tried running it off of the negative off of the coil wiring harness (i think the brown on the passenger side?) anyways neither of them worked at all, anyone got any suggestions??? car is a 98 i know its a little different than the 99+.
NeedaV8foundation
06-22-2008, 01:29 AM
bump! someone!
98z28bitcha
06-22-2008, 06:08 PM
on a 98 its pin 35 white wire thats what u want to hook up your tach.
98z28bitcha
06-22-2008, 06:18 PM
Does the mini tach have a adjustment on it for 4cyl, 6cyl, and 8cyl.
NeedaV8foundation
06-22-2008, 10:42 PM
yea, ive read to put it on the 4cyl
NeedaV8foundation
06-23-2008, 12:43 AM
ok so i just messed around with it for another 2 hours.... there is no blue #35, i think its actually port 36 and the white wire is in port #40 so what gives?
2001NBMZ28
06-23-2008, 10:59 AM
on a 98 its pin 35 white wire thats what u want to hook up your tach.
www.ls2.com/boggs/torques/98pinpcm.htm
NeedaV8foundation
06-23-2008, 12:42 PM
www.ls2.com/boggs/torques/98pinpcm.htm
that says its for a 99 on the top.... :bang:
2001NBMZ28
06-23-2008, 01:08 PM
Yeah, don't know why it says that - but in the text it's for '98, which is correct for the pinouts.