Bad connection in the bulkhead? - Saab 900 Bulletin Board - Saabnet.com
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Bad connection in the bulkhead?
Posted by Harold [Email] (more from Harold) on Sun, 20 Jan 2002 12:17:00
In Reply to: Fuel Pump Suggestions?, Chad S, Sun, 20 Jan 2002 09:38:48
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I had intermittent no-start conditions on my 91. Did the short in the fuse box, pump not running. Checked the voltage at the pump connection and had 12V. Easy conclusion, bad fuel pump, right? Replaced the fuel pump in the parking lot of a grocery store and car still did not want to start. Investigated further and noticed that I had a very high resistance from the fuse box to the positive lead at the fuel pump. Because of the amount of current drawn by the pump, the contact in the bulkhead can corrode/burn and have to much of a voltage drop for the pump to work. Easy check with a multimeter, painful fix because connector is difficult to get to.
posted by 12.72.15...
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