so 2 day i was gonna wire in a switch 2 the fuel pump and with the car off and the jumper up front jumped and the ignition forward and checked the voltage on the clip and it said 5V.....is this just cuz the car isnt on? or what? its an 85 gsl-se thx

 

should i just rewire it????

 

yeah, you should re-word it. Im confused.

 

lol alright. today i was going to wire a switch to my fuel pump. So i go to the clip under the storage bin and measure the voltage and it says 5V. thats with the jumper in the engine bay jumped and the keys forward.

 

Something is not right. You have an SE, you should not be getting voltage unless you are cranking, the afm door is open, or you have jumpered the fuel pump test connector in the engine bay. Retest your voltage, are you sure it isn't 0.5 volts?

 

yeah the jumper is jumped

 

Then you have a problem, you should be reading very close to battery voltage, within 0.2 volts, iirc. Time to chase down the bad connection, or rewire it entirely.

 

odd cuz it runs just fine....the car isnt runing could that be the reason? or should it still be 12? thx

 

also i got an amp and a cd player on at the same time could that be causing some issues...i wouldnt think it would make it that low but i dunno i mean im not stupid when it comes 2 this stuff. i was thinkin it should be 12 but is it cuz the ecu lets it get only five?

 

when i rewired my fuel pump i checked the voltage and it read at like 3 volts or something ridiculously low but the car runs fine too. Mines a big piece of **** though.

 

well looks like im gonna rewire it then

 

I have no clue why you would be getting 5 volts. I would do the test again with everything else electrical shut off, other than maybe the memory power for the stereo. Then test it again while the car is running and see what you get for voltage.