1994 Buick Lesabre Fuel Pump Fuse

Did you try unplugging B+ at the ignition module? How long since a tune-up?

unplugged alternator, checked injector wires......what is B+?

new wires 1 yr ago. i think new ignition module at the same time....is that where the spark plug wires run?

unplugged a+ b- c at ignition, also unplugged sensor at air intake that leads to fuel injectors....still blows fuse.
new coil packs 1 yr ago
didnt unplug coil yet.

B+ is just battery voltage. the ignition module sits under the coil pack, where the plug wires go. The pink wire, carries B+ to the module. The circuit goes hot with the key on. Also, the cam and crank sensor shows to be hall switches, they get feed from the ignition module, something else to unplug. Did you unplug the pink wire at the module?

With ignition module unplugged and relay out the fuse doesnt blow. As soon as i plug in module and turn key the fuse blows. What are the gray relays under the main fuses on the firewall under the hood. It looks like 2 pink 1 gr 1 gr+w 1 gry 1 blk and 2 or enter the leftmost relay(passenger side)

The relay to the passenger side should be the blower motor relay, next, ac compressor relay-- cooling fan relay low speed-- cooling fan relay high speed.

Still having the problem........
I have unplugged everything connected to the relay.....PCM, fuel pump, oil pressure sender and ignition control module...... when I plug in the computer the fuse blows.....
Does the computer supply power to the relay through the grn/white wire?

grn and wht runs from PCM to relay

Its either that or the gry that goes to the fuel pump and oil pressure sender

the voltage for the coil side of relay comes from the pcm, green/white wire.

does that mean the problem is between the relay and the coil????? what do i need to check? the fuse blows when i unplug the ignition control module.
Thanks for the help

If the fuse still blows with the icm unplugged its got to be a wire, doesnt it?

Have you tried using the prime connector to run the pump? The prime connector should be behind the battery or close, red wire, has a connector, nothing plugged into it. If you use a jumper coming off battery voltage with an inline fuse, touch the connector, you don't have to use the key, the pump should run. At least maybe you can rule out that circuit?

Any circuit that you think may have a short in the wiring, make sure the wire is unplugged at both ends and that the circuit is isolated from any other circuit, use a testlite, one end of the lite connected to B+, touch the other end to the wire, if the lite comes, it's going to ground somewhere, you'll have to find it.