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Rewiring N/A fuel pump

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Old 05-26-06, 10:22 AM
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FC4ME

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Rewiring N/A fuel pump

I've been researching and found that all i need to do to rewire the fuel pump is just running a 12 gauge wire and relay to the back and have the old power for the fuel pump engage the relay? I know very little about electronics, so i was wondering if anyone knew of a n/a writeup or could explain this in more detail. Thanks
Old 05-26-06, 10:23 AM
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Same wiring, different pump. Don't see why it'd be different.
Old 05-26-06, 10:35 AM
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^Do you know of any N/A writeups?
Old 05-26-06, 11:19 AM
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Originally Posted by 90WhiteVrt
^Do you know of any N/A writeups?
I would assume it's the same as the TII write-up. The pumps hook up exactly the same.
Old 05-26-06, 11:21 AM
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^The TII writeup is similar but different because the voltage drops to 9V at idle on the turbo's and changes when gas is applied. The NA's run at a constant voltage.
Old 05-26-06, 11:29 AM
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You should still use the same writeup.

S5 N/A's have the same 2 speed fuel pump as the S4/S5 turbo's.

http://www.1300cc.com/howto/how2/rewire.htm

For S4 purposes (if someone searches for this):

Originally Posted by NZConvertible
To do this on S4 NA, all you do is run a new fused power wire from the battery directly to the fuel pump via a normal 30A relay, and switch the relay with the original fuel pump wiring. Very simple and easy.
Old 05-26-06, 08:30 PM
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Well that saved me a job.
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