did this today. resting voltage after sitting 4 days. this would have been useful when i was having battery problems. purchased from the bay for $5.00, installed in an empty slot, tied into a key on fuse.
key off, flash on,
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key on, flash on,
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key on, flash off,
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little closer,
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haven't turned on the engine yet but will see in the morning.
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2003 S-10, 2.2L, 5 speed, ext cab long bed.
So far: DRL delete, remove bed mount toolbox.
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