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Old 07-15-2026, 03:23 PM
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Kenth Kenth is offline
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Join Date: Feb 2003
Location: The Kingdom of Sweden
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At the "R" terminal on some later GM starter solenoids on specific vehicles is a yellow wire giving full battery voltage when cranking to + on ignition coil for easier starts.

Other vehicles has the "R" wire at the ignition switch giving full battery voltage while cranking:
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