cosworth fuel pump wiring
19-04-2007, 12:51 AM
#3
Take the original black/red wire off the pump and use this to switch a new relay mounted in the boot (relay pin 85). Run a new wire from the relay (pin 86) to earth. Run a new fused wire (fuse and wire rated at 30A) to the new relay pin 30. From pin 87 run a new 30A-rated wire to the pump, and a new wire from the pump to earth.
When complete, check that you've got over 12V at the pump.
When complete, check that you've got over 12V at the pump.
20-04-2007, 05:09 PM
#4
Mulechild
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Originally Posted by jon@work
Take the original black/red wire off the pump and use this to switch a new relay mounted in the boot (relay pin 85). Run a new wire from the relay (pin 86) to earth. Run a new fused wire (fuse and wire rated at 30A) to the new relay pin 30. From pin 87 run a new 30A-rated wire to the pump, and a new wire from the pump to earth.
When complete, check that you've got over 12V at the pump.
When complete, check that you've got over 12V at the pump.
was about to ask for an idiots guide to wiring a pump... 
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