tach install help
09-29-2003, 09:24 AM
#3
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Join Date: Sep 1998
Location: US 1 Mile Marker 52 in the Florida Keys
Posts: 8,323
tach output on the 99+ cars is pin 10 on the red connector on the ECM, it's a white wire.
side note:
due to the nature of the LS1 ignition, most shift lights have to be run in "4cyl" mode in order to interpret the signal correctly.
i'm presently having problems running my proform shift lite with my ls1...i have to call the company to ask them about it...so just be conscious of that issue.
side note:
due to the nature of the LS1 ignition, most shift lights have to be run in "4cyl" mode in order to interpret the signal correctly.
i'm presently having problems running my proform shift lite with my ls1...i have to call the company to ask them about it...so just be conscious of that issue.
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