Alright so my washer pump isn't working in my 2007 JKU.
-ordered and installed a new pump nothing
-checked fuses and replaced them anyway nothing
-checked for +12v DC at the fuse location it's good
-checked for voltage at the pump powe connector and i'm getting nothing.

I checked as much of the wiring as I could get my hands on and found no obvious damage.
How can i narrow down where my problem might be? I found this wiring diagram but can only figure out bits of it.

 

I would check for continuity in the wires going to the pump to the tipm and from the tipm to the pump. Just because the wire looks fine from the outside doesn't mean it isn't broken on the inside. Most wires break internally within a few inches of the connector, so moving the wire around can help check for opens.

 

Hello,
I have received a P0171 P0174 system too
ean only happened after fill with fuel car all go aboy t 36 km than start
Like misfire struggle if I switched off won't start in less car get cold or about 5 hours
Than I disconnect the line the one going to injector fuel line true to start the car no fuel
Is going out do you think fuel pump going bad or what to could be
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