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C20LET fuel pump guage wire ??

362 views 6 replies 2 participants last post by  cardy175 
#1 ·
What guage wire is best to run a external fuel.pump for a c20let ??
 
#3 ·
Re: fuel pump guage wire ??

1.5mm cable is good for 15-20 amps and is a good compromise between voltage drop and thickness. Just make sure that there is a 15 amp fuse at one end
 
#4 ·
Re: fuel pump guage wire ??

Here you go - some typical pump vs pressure current ratings.

Auto Performance Engineering - Walbro fuel pumps specs

If you have the space to do it and not to fussed about spending a few quid extra you could even go to 2.5mm but that would be a bit of an overkill in my eyes.

Maybe run a trial run of 1.5mm to the pump and see what the voltage drop is ?
 
#6 ·
Re: fuel pump guage wire ??

Measure the voltage at each end - if you get too much of a voltage drop then uprate the cable or run another cable in parallel.
 
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