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LH unit/ fuel pump discord
Posted by Jerry 3-Saab (more from Jerry 3-Saab) on Fri, 31 May 2002 20:35:05
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problem: 89 900S died @ idle,new fuel pump still works.when un-capped fuel pump relay is manually actuated, pump runs & car starts. let go of relay armature, pump quits.relays both good. LH apparently supplying a very weak ground to pin 85 as it lights an LED,shows 12v on a DVM,but WILL NOT sufficiently energize the relay winding to pull down armature & energize fuel pump. my question: where's LH get the ground to supply the pump relay? check-engine lite on continuously; haven't got to that yet. maybe related?
posted by 64.12.10...
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