British car repair shop in SoMD?

RPMDAD

RPMDAD

Well-Known Member
Claff said:
Issue is with the electric fuel pump. The old one clicked merrily away but the innards were wore out and it couldn't pump to the front of the car.

I took the old one (an AC branded unit) out and replaced it with a Facet cube pump. Should be simple: one power wire, one ground, two hoses, one mounting bolt. Got it all mounted up, hooked the wires to the ones used by the AC, but it didn't power on. Switched the ground from the wire to the mounting bolt with the same non-result.

If I hold the wires of the new pump to the terminals of a battery it will power on, so the pump is good. If I plug the old pump into the car's harness it will power on. If I plug the Facet into the same harness I get nothing.

My only guess right now is that the Facet needs a stronger ground than I've provided so far either with the car's harness or the car's chassis. The body is not in great shape so conductivity could be a problem. I can probably run a wire from the pump's ground right to the battery's negative terminal just to be sure, but I don't have a length of scrap wire of the appropriate length yet. If that doesn't work I am at a loss. I hate to admit defeat over what should be a stupid simple solution, but that's where we're at right now. I am certainly open to suggestions; your collective expertise is appreciated.
Click to expand...

Claff, here is a link to a forum, that might be able to help. Worst case join it and post your question there.

MG
 
Claff

Claff

New Member
I've been on the forums (especially the MG Experience) and gotten some decent advice but we haven't gotten to the bottom of the problem yet.

After exploring more I have determined that the ground isn't the problem, so now it's time to trace the + wire to see what's up with that. Isn't electrical stuff fun?!
 
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