mercilessltd
+1y
So, I can't remember who or where, but I read that on the rear of the stock B alternator, there is a single blade-style output called the stator that outputs a constant 12V, but only when the alternator is turning. Since I have a Weber carb and an electronic fuel pump, I simply placed a wire (with an inline fuse) from this stator to both the electric choke on the carb and to the fuel pump. (The ground for the fuel pump is directly wired to the negative on the battery.)
I was having issues when first getting my B2200 to start (turns out just low on gas, crap in tank, etc.) but in diagnosing I noticed that the voltage at the choke is only showing 6 - 6.5V. Perhaps diagnosing directly on the electric connector of the choke is a bad idea, but I thought it should be a good place to check the output of the stator.
I do know the alternator itself it working / charging. I had it bench tested before installation. (You should've seen the look on the guy's face when I brought in two starters and two alternators to test from both trucks. "WTF?") Also, the battery, which has set for > 6 months, was originally at 12V, but after running for a little while, came out at 13V.