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Need help finding FUEL Pump trigger wire. (grn/vio)
Posted: Mon Mar 17, 2014 1:59 pm
by s52e368
Need help finding FUEL Pump trigger wire. (grn/vio) the behind drivers knee bolster... anyone ?
Need help finding FUEL Pump trigger wire. (grn/vio)
Posted: Thu Mar 20, 2014 4:50 am
by pappentl
I have my underdash wiring apart for an auto to 5-speed switch so I can look, could you be more specific as to what wire you are looking for? The grn/vio wire is part of the engine harness and then runs to a fuse which is wired into the pump IIRC.
Tom
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From: s52e368 <
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Sent: Mon, Mar 17, 2014 3:00 pm
Subject: Need help finding FUEL Pump trigger wire. (grn/vio)
#AOLMsgPart_1_2fc1238f-6909-4be3-acdc-d028c6987952 td{color: black;} Need help finding FUEL Pump trigger wire. (grn/vio) the behind drivers knee bolster... anyone ?
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Re: Need help finding FUEL Pump trigger wire. (grn/vio)
Posted: Thu Mar 20, 2014 7:32 am
by s52e368
pappentl wrote:I have my underdash wiring apart for an auto to 5-speed switch so I can look, could you be more specific as to what wire you are looking for? The grn/vio wire is part of the engine harness and then runs to a fuse which is wired into the pump IIRC.
Tom
-----Original Message-----
From: s52e368 <carl>
To: tech_forum <tech_forum>
Sent: Mon, Mar 17, 2014 3:00 pm
Subject: Need help finding FUEL Pump trigger wire. (grn/vio)
#AOLMsgPart_1_2fc1238f-6909-4be3-acdc-d028c6987952 td{color: black;} Need help finding FUEL Pump trigger wire. (grn/vio) the behind drivers knee bolster... anyone ?
Post generated using Mail2Forum (
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i trying to find that wire in the chassis harness just before where it connects the engine harness. i no longer have the engine harness.
Posted: Sun Mar 23, 2014 3:57 pm
by Robert Bondi
The chassis harness and engine harness come together with separate plugs at the combination relay, so that seems like a good place to look.
It's light on pictures, but this FAQ gets close to the subject as there's a slight
difference between late 528i and the 530i at the combo relay.
Robert