Bad ground on ECU - Saab 900 Bulletin Board - Saabnet.com
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Bad ground on ECU
Posted by Bobwithasaab [Email] (more from Bobwithasaab) on Mon, 11 Sep 2017 18:55:41
In Reply to: Re: hall sensor, StoicBlue87 [Profile/Gallery]
, Mon, 11 Sep 2017 16:10:30
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Same thing happened on my '88. Grounds checked good up on the intake by the engine pull tab and at the core support. Turns out somewhere in the harness that leaves the ECU looking for a ground by the motor pull tab there must've been corrosion preventing that wire from finding ground. I can't remember the terminal on the ECU, but I snipped it right there about eight inches out of the harness leaving the ECU and chassis grounded it by drilling a hole, crimping an eyelet on the wire and screwing it right into the steel there by the ECU. Problem solved... Do your homework and figure oiut which wire that is, and you'll have your culprit.... Bob
posted by 67.189.140...
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