Fusible link

[mep1811]

My fusible link burned out. I replaced the harness end of the link and put in a another link. The alternator is not charging the battery. I am running a Mean Green alternator. can I just run a wire out of the alternator directly to the battery? I will try to get the battery end of the link but in the meanwhile I need a running vehicle. Thanks

 

[Randy88FJ62]

On my 88 FJ62 the alternator wire and the starter wire hook directly to the terminal bypassing the fusible link. I think this is right but we need someone with more experience to verify. If you get no answers, pm me and I'll take pics and check.
-Randy

 

[mrlocksmith]

Did you put a volt meter on the battery w/ the engine running ? Are you close to 14V ? You might have a blown alternator.

My Mean Green has it's own fusable link and then goes to the + side of the battery.

You can sort of see in the link that it goes from the Alt to the front side of the 300A fuse and then to the battery.

https://forum.ih8mud.com/60-series-wagons/213526-write-up-fj60-dual-battery-install.html

Any idea why it fried ??


Mark

 

[Ming89FJ62]

The white wire w/ a black trace (10 ga.) from the alternator goes directly to the battery - no fuse or fusible link in the OEM wiring harness. You can run a parallel wire from the alternator directly to the battery but may want to consider adding a "Mega Fuse" (200 amp) to protect the battery. This is just a precaution because of the high amp output of the Mean Green. Also, many folks that run MG's bump the size of the wire from the MG to the battery to at least 2 ga. again to handle the additional amps from the MG. If the battery was drained and you tried to pump almost 200 amps through a 10 ga wire that's 20 years old you would probably melt something.

It sounds as if your troubles are running a little bit deeper than you think. The fusible links protect the wiring harness outside of the battery charge circuit. Did you use the wiring interface that Mean Green provides for plugging into the OEM wiring harness and the MG? If not this could be the issue. That little harness corrects the taps on the alternator to match the OEM wiring harness. Also make sure that your engine/body ground is sound.

 

[mep1811]

I am using the adapter on the Mean Green which I have been running for the past six years without a problem.

I had the alternator checked and it is putting out 14 volts but I only get 12.5 at the battery. I will try going direct from the back of the alternator to the batter and see what happens.

 

[cruiser88]

jump it