I took off the alternator and took it to 2 different auto parts stores to get it tested and both said they did not have the correct setup to test it. After finding the wiring diagram similar to the one @djrevkev shared, I believe the problem was with the yellow/red wire from the key, not the...
So I can't start the boat. No fuel going to carb. Tested pump with direct wire. It pumps. Tested relay with direct wire. It switches. Tested relay coil voltage with meter and when key turns on, it jumps to 2V, not 12 V. Bad Diode? Any idea what the diode looks like and where to find it...