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just purchased a walbro intank good for 500hp, pretty sure its plug and play, just need to hold it in with a cable tie apparently. jeez

Cheap Walbro GS3442 does it for me- just do the direct 12V rewire.

why hard wire it?

Edited by hnr32-25T

why hard wire it?

These bigger pumps pull a lot more amps, not sure what the stock fuse size is but a pump like the walbro 400/416 can pull over 20 amps which is way more than the stock wiring will cope with.

I wired a 416 up the other day (used 6mm to/from relay and 2.5mm in tank) then to test I used a bit of 0.5mm wire about 50mm long to bridge the relay, it fried the wire and went open circuit after 30 seconds.... I have done that same test with bosch 044's and 040's with no issues...

These bigger pumps pull a lot more amps, not sure what the stock fuse size is but a pump like the walbro 400/416 can pull over 20 amps which is way more than the stock wiring will cope with.

I wired a 416 up the other day (used 6mm to/from relay and 2.5mm in tank) then to test I used a bit of 0.5mm wire about 50mm long to bridge the relay, it fried the wire and went open circuit after 30 seconds.... I have done that same test with bosch 044's and 040's with no issues...

no wires being fried on mine, and no issues so far.

no wires being fried on mine, and no issues so far.

If the circuit is protected by the standard size 15A fuse then its unlikely you will burn anything apart from the fuse itself...

Be interesting to see what voltage the pump is seeing on your setup with stock wiring, i'd say you would be very close to the limit. Might be an idea to carry some spare fuses!

Wlabro.jpg

yeah maybe its not stock then, i watched it being wired and put in by the tuner

interesting though, my battery light is on constantly and tuner said voltage is bit high, sitting on 15volts so must need a new reg or alternator, you'd think it would of blew a fuse by now.. have to look into that..

the 400L/hr pump is much quieter than the 255L/hr that it replaced, kind of miss the noise....

If the circuit is protected by the standard size 15A fuse then its unlikely you will burn anything apart from the fuse itself...

Be interesting to see what voltage the pump is seeing on your setup with stock wiring, i'd say you would be very close to the limit. Might be an idea to carry some spare fuses!

Wlabro.jpg

Wow that's a pump, over 5l/min at 80psi - that's awesome!! Anyone tried one or got a cost?

Sorry just read the thread - have you tested the return flow to see if it matches the specs?

Edited by rob82

pump arrived today, hopefully fit it on the weekend, someone told me to put a 1 way valve in? but i don't really see the need. anyone else thinks it will help? i might need to pocket a roll of cable tomorrow at work, so wire from the rely in the fuse box down to the pump, do you route the wires the same as factory?

yeah i was thinking gtr pump, but i wanted something brand new and affordable.

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