rpm reading
01-12-2009, 07:54 PM
#1
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Year: 1991
Model: Cherokee
Engine: 4.0
rpm reading
ok, so normal tachs read rpm off the dist or coil, and well im not getting spark so i dont think the tach works, how can i see wut the rpms are of the engine when turning over? thx guys, oh and which wires do i hook up to for an aftermarket tach, thx
01-12-2009, 08:46 PM
#2
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Year: 1987
Model: Cherokee
Engine: 4.0 liter RENIX I-6, DIY Cold Air Intake, 2.5 FM Exhaust, 3 Core Radiator
You always hook up to the (-) negative lead of the coil for a Tach.
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