Just installed tach and having idle issues.

Jekyl

New Member
Mar 31, 2005
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Calgary AB
I just finished installing my tach and now my car idles at around 1500 RPM and when I rev the engine. The revs come down really slowly. stay at 1500 rpm for a while and then they will finally drop to 1000. The car was at operating temperature so I dont know whats going on.

Also... The light for my tach wont work. I spliced into a blue wire with a red stripe that is connected to the headlights switch above the foglights switch. Is that the right wire to splice into? Please help with that too. Thx!!