parasitic battery draw - Ford Truck Enthusiasts Forums


parasitic battery draw

Old 08-12-2018, 08:25 AM
waynec423 is offline
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parasitic battery draw

Hello everyone. I have a parasitic battery drain of around 2 amps on my 1995 E350 motorhome. I have traced the draw down to the ECM circuit. When you pull the main 30 amp fuse to the ECM the draw goes to almost 0. I removed the ECM , re-installed the fuse and the draw came back with the ECM totally disconnected.Removing the ECM power relay makes no difference. An ASC certified ford master tech told me the only thing on this circuit is the ECM and the ECM power relay.

Anyone have anyone suggestions , or know if anything else is on this circuit? Thanks in advance for any help
UPDATE: Found the source of the draw. Please see my other post titled "fuel pump won't shut off"

Last edited by waynec423; 08-13-2018 at 03:11 PM. Reason: update

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