2000 Toyota Tundra Alternator Problems

Some problems shared with the first-gen Tundra include the clear coat issue ETC problems.

2000 toyota tundra alternator problems. The battery was tested and the belt replaced. You must dismantle the underneath of the truck to get to it and can hardly get your tools into the spaces to get it out. In checking to see what happened have found that the 50 amp JB fuse is grounded but with high resistance as are the EFI1 and ETCS fuses at the fuse block.

Toyota designed the Tundra engine in a way that the alternator is in a very difficult tight location. If your battery is draining while driving it is almost without exception the Tundras alternator that is causing the problem. Battery Draining While Driving.

Replaced alternator still 12V and now the battery warning light is on. 3If 333 is set up with this type of design you should loosen slotted alternator bracket. I have a Chiltons book and plan to remove alternator to have it tested- rebuiltreplaced.

Also the alternator bushings can go bad which can mess with its geometry causing odd noises. 140 Amp or 180 Amp large fuse called ALT in the fuse box on driver side under the hood. If the battery is weak or dead the car will continue to run but the lights will again become dim after a short time signifying a problem with the charging system.

If those are all fine get a multimeter to narrow down the problem. If it is you should see the battery or alternator light on it indicates that the alternator is not creating the necessary voltage to charge the battery. I recently started having a problem on my 2000 Tundra V8 where the first turn of the key acts like a dead battery.

At this point I dont think the alternator problem is related to the non-working turn signals hazards or horn. The Alt-H fuse Alt-S fuse MET-fuse and LH-IG fuse. Does it appear to be shiny or glazed.