95 3.1 dies intrmtntly, restarts for sec, dies

[Schurkey]

Originally Posted by 95lumina340

there are two systems that tell the fuel pump to give fuel: one for when the car is starting, one for when the car is running.

GM vehicles run the pump for two seconds when the key is turned on. Then the fuel pump is turned on again when the ECM discovers that the engine is cranking/running.

Originally Posted by 95lumina340

the car would start and then die right away. so my mechanic friend connected this pigtail to the positive terminal and then the car would stay running (!!!).

You've just figured out that the ECM is not tripping the fuel pump relay when the engine cranks. (or the relay or relay wires/fuse are defective.)

Originally Posted by 95lumina340

if you connect this, put a kill switch and fuse or something cause it will keep the pump running 24/7 and drain your battery.

That's crazy. Fix the true problem instead of using the fuel pump test wire to run the vehicle.

Originally Posted by 95lumina340

i looked on someone's 99 and didn't see this pigtail, so it may not be there on all years.

I haven't seen the test connector on my '92 and '93 either, although it may be there somewhere.