Shinchan
Member
- Joined
- Jun 28, 2018
- Location
- Lafayette, CO
Hi All,
Some background: I have a megasquirted B20 that is running fine but battery was losing charge, so I assumed that the alternator was on the outs. I obtained another alternator from another B20 and installed it. Now originally when I put this engine back together after the rebuild I had the 2 smaller red wires hooked up wrong. One was going to the 61/D+ terminal and I don't even know where I had the other wire hooked up, probably to one of the grounded structural bolts coming from the back of the alternator.
Anyway, I looked at the wiring diagram to sort out how to hook up the new alternator. Thick red wire from the distribution block goes to the B+ terminal, both small red wires to the 61/D+ terminal, and the green wire to the spade terminal. Car starts right up, I let it run for a bit and turn off the ignition. The engine keeps running. I'm not talking about dieseling, it's running as if the key is still on. I jump out of the car and disconnect both battery terminals, the engine keeps running. Finally I block the intake which kills the engine.
Thinking that I got a bum alternator, I put the original SEV alternator back in thinking that my charging issue was just me stupidly not connecting everything correctly. Same hookup, thick red to B+, green to spade, and both small reds to 61/D+
Start the car fine, shut off the ignition and the same thing happens, the engine keeps running even after disconnecting the battery until I kill it by starving it of air.
It's like the damn thing is haunted. Does anyone have any experience like this or have any ideas what might be causing it? The wiring is on an original harness and doesn't look like it's hacked up or anything, looks totally original with factory wiring bundling sleeves.
Some background: I have a megasquirted B20 that is running fine but battery was losing charge, so I assumed that the alternator was on the outs. I obtained another alternator from another B20 and installed it. Now originally when I put this engine back together after the rebuild I had the 2 smaller red wires hooked up wrong. One was going to the 61/D+ terminal and I don't even know where I had the other wire hooked up, probably to one of the grounded structural bolts coming from the back of the alternator.
Anyway, I looked at the wiring diagram to sort out how to hook up the new alternator. Thick red wire from the distribution block goes to the B+ terminal, both small red wires to the 61/D+ terminal, and the green wire to the spade terminal. Car starts right up, I let it run for a bit and turn off the ignition. The engine keeps running. I'm not talking about dieseling, it's running as if the key is still on. I jump out of the car and disconnect both battery terminals, the engine keeps running. Finally I block the intake which kills the engine.
Thinking that I got a bum alternator, I put the original SEV alternator back in thinking that my charging issue was just me stupidly not connecting everything correctly. Same hookup, thick red to B+, green to spade, and both small reds to 61/D+
Start the car fine, shut off the ignition and the same thing happens, the engine keeps running even after disconnecting the battery until I kill it by starving it of air.
It's like the damn thing is haunted. Does anyone have any experience like this or have any ideas what might be causing it? The wiring is on an original harness and doesn't look like it's hacked up or anything, looks totally original with factory wiring bundling sleeves.