whats up everyone. a few weeks ago i put a kill switch on my fuel pump. it was a low quality switch that i put in line of the power wire AT the fuel pump(had to do it fast cuz someones car got stolen in the parkin lot a work). i took the time to solder and heat shrink everything. couple weeks later car wouldnt start everytime and i figured out that switch was bad, so i spliced the wires back together w/o the switch. but now its doin the same thing but and theres no visible break in the wire(im goin to double check) the car never quits when driving but sometimes the pump doesnt prime before starting(i can hear when it does) therefore when i try to start it fires up then dies. Questions are: could i have fried the pump/fuses? if i did why doesnt the car quit while driving? Any input would be helpful TIA

 

anyone?

 

Main relay.

 

u could have a bad connection somewhere that is only working some of the time. the easiest fix will be to cut off all the splice u made and do it again making sure all the connections are good. if u still have the problem, take a good look at all the wiring for the pump. its not a fuse, because it wouldnt work at all

 

could these probs be from using a cheap switch? ive since picked up a good quality switch but before i put it on, i want to find the problem.

 

Your problem is probably the main relay, like beta13 said. A crappy switch on the power line could potentially damage other components.

Sorry I can't offer any more advice as to what the real problem is now, but I can suggest that next time you put this switch in place, use a relay rather than switching the power wire directly.

Justin