Hey guys whats up, i have been having fuel pump problems now for a while.... I have dropped over 1500 into trying to fix this problem.

Does any one know if the fuel pump is some how controlled by the ecm?

or is it simply just relay off keyed power?

I have no power to the fuel pump......

I had the truck up on a jack one day, was trying to see why my A/C pump was not kicking on... I probed one of the 2 wires coming off the AC pressure sensor and all the sudden truck sopped running. has not ran now for 3 weeks.

makes no sense, i unplugged that plug and plugged her back in and still nothing.......all fueses and relays seem to be good

SOME ONE HELP please

 

its the ram 1500, forgot to add that in my post

 

Here is a link to all of the wiring diagrams.

http://www.dodge.com/en/business/body_builders_guide/


Is the pump running at all? Do you have power to the relay? Do you have power at the pump? Did you check all fuses and fusible links? Did you short something out when you probed the AC clutch power? As far as I can see, you could short the AC clutch positive wire and all it would do is blow a fuse.

 

What year? Somewhere along the line, Dodge introduced bump-start.

 

My truck is a 02, well i borrowed an ECU and plugged it in. my pump RUNS so how did i blow the ecu with a freakin A/C clutch pressure switch

 

Now im just trying to figure out why my damn rear defrost light keeps flashing. I plugged my ecm back in and NO PUMP AGAIN so im looking for ecm. But only ones i can find are a couple numbers off like mine is a 202AB and found one thats 201AB

whats diff lol?


BUT