Operation CHARM
: Car repair manuals for everyone.
Home
>>
Pontiac
>>
1999
>>
Bonneville V6-3.8L SC VIN 1
>>
Repair and Diagnosis
>>
Instrument Panel, Gauges and Warning Indicators
>>
Description and Operation
>>
Instrument Cluster Gauge Operation
>>
Tachometer
Tachometer
The
tachometer
displays the engine speed. The tachometer is an electrically-controlled direct drive display that receives the engine speed input from the ignition control module (ICM)