12v power supply to fuel pump and alternator wiring problem

[wayne y]

hi...trying to sort wiring out on a 5.7 gm....
i need to no if the 12v supply to fuel pump becomes live when ignition turned on or when engine is turning over..ie when being cranked....

also have a mando alternator amn 0018 with purple wire live when ignition turned on....does the choke heater wire and fuel pump supply come from the same terminal...??

at the moment my alternator is wired as following...b terminal=big orange wire ...s terminal linked with b terminal....exc terminal=purple wire live with ign on....p terminal=choke wire....e terminal=negative....l2 terminal has nothing on it...

 

[muc]

Re: 12v power supply to fuel pump and alternator wiring problem

This might come as a surprise but the 5.7 was used for quite a few years and was wired differently.

Welcome to iboats. To help you we really need a serial number or full model number.

Maybe another surprise ---- the year and brand of boat rarely helps at all.

http://forums.iboats.com/showthread.php?t=220416