How do I hook up a aftermarket tach on 94 Z 3.1 v6?
there should be a white wire in the middle harness on the computer use that as ur signal wire.
The white wire is only on the 4 cyl. Its a different color on the 6 cyl.
James Cahill wrote:The white wire is only on the 4 cyl. Its a different color on the 6 cyl.
im pretty sure mine was white.
