Silhouette V6-191 3.1L VIN D TBI (1995)
Ignition Coil: Testing and Inspection
Coil Testing
REMOVE OR DISCONNECT
1. Ignition key "OFF."
2. Two electrical connectors from coil.
TEST
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Ignition coil with ohmmeter for opens and grounds.
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STEP 1 - Test for short to ground between B+ (to distributor) terminal and ground.
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Use high scale on meter.
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Should read very high (infinite). If not, install a new coil.
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STEP 2 - Test for open between C-(tach) terminal and C-(to distributor) terminal.
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Use low scale on meter.
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Should read very low or zero. If not, install a new coil.
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STEP 3 - Test for open between B+ (from ignition switch) terminal and secondary output terminal.
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Use high scale on meter.
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Should not read infinite. If it does, install a new coil.
INSTALL OR CONNECT
1. Two electrical connectors onto coil.