Steve Saunders Goldwing Forums - View Single Post - GL1200 FUEL PUMP RELAY

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post #8 of (permalink) Old 03-29-2010, 12:32 PM
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Join Date: Aug 2005
Location: Orangeville, Ontario, Canada
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there are 3 wires, i will retest but the first was: wht. to ground=continuity;key on wht. to ground=continuity; engine running wht. to ground=pulsed continuity.

That says turn on key pump works
Then at some time in the future the on becomes a pulse on

So when finally starting, turn key on and pump comes on, start bike with bike running pump goes intermittant...because a running pump reaches pressure then stops, pressure drops and starts again. The on and off times are used to maintain a specific PSIG in order to keep bike running...this can be verified by someone with the same bike...I'm stuck in the past with a 30 year old 1100
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