PCM H6 sputtering under load

[Speedy]

My apologies for my spelling, bad grammar and punctuation


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[zmnypit]

You check the fusible links the same way you think a fuse. You should have battery power on both sides of the link. If there is no power on either side then you just keep tracing the wire back until you find power. Be sure to have the voltmeter on good battery ground. In other words you place the negative cable from the voltmeter on good battery ground and you use the positive cable from the voltmeter to check for power on the wire your tracing. You can also use a test light. By connecting it to battery ground and when you pierce the fusible link wire, the test light should light up


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Here's the few I've found on the front of the engine

[Speedy]

if you have a test light then you can gently pierce the wire before and after the fuse. There should be battery power on both sides. It would be easier if I had a wiring diagram for the alternator circuit. but you should definitely have battery power on both sides of those fuses

[zmnypit]

The bottom fuse is 125a. It's the wire that goes from the solenoid to the alternator no power I don't believe these fuses are serviceable as it looks like they are riveted together. It's got power in but no power out.

[Speedy]

Are you saying that there is no power on either side of the fuse?


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[zmnypit]

Are you saying that there is no power on either side of the fuse?


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No it has power on the inlet/short side off the solenoid. The longer end or where it runs to the alt has no power

[Speedy]

Gotcha, you found the problem. I’m sure the new one will be a complete wiring harness that goes from the solenoid to the alternator. And you are absolutely correct in saying that that is not a serviceable fuse, it’s in fact a fusible link. It should be replaced as a complete harness


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[Speedy]

You will still need to find out why the fuse failed. That is a 100 amp fuse which is a very large fuse, so I would still check and trace those big wires to make sure they are not touching ground. Otherwise the new fuse will fail again


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[Speedy]

Remember, the fuse did what it was supposed to do


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[zmnypit]

Remember, the fuse did what it was supposed to do


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Without a doubt. Once all this is replaced hopefully it fixes it all but I know my luck lately

[Speedy]

For sure


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[zmnypit]

Took the 125a link apart just for the heck of it. I'd say it's blown.

[Speedy]

Are there any signs of the wire rubbing against ground?


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[Speedy]

Definitely an open fuse


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[zmnypit]

Are there any signs of the wire rubbing against ground?


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Nope. Is is possible the alternator took it out when it died?