lift pump not powering on
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Join Date: Oct 2012
Location: Scugog Island ONT.
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If pre 96 truck the OPS supplies power for the LP when the engine is running,common problem and should ONLY be replaced with AC Delco OPS.
The relay is only in the power circuit for starting.
Google OPS relay mod and install for long term reliability.
If 96+ check fuses and OPS,although the OPS is only a backup power source.
The relay is only in the power circuit for starting.
Google OPS relay mod and install for long term reliability.
If 96+ check fuses and OPS,although the OPS is only a backup power source.
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