Jump to content
The mkiv Supra Owners Club

generator fault


jza800

Recommended Posts

I have a generator/alternator fault, and are trying to find out what the fault is, it is not chargning the battery, i have checked all the power connections and they are ok. in the plug behind the alternator i have. + from the battery and ign power, so i now the alternator is getting power to the parts inside the alternator, but it dosent produce electricity to the battery.. so my question is, what inside the alternator can be the fault??

Link to comment
Share on other sites

yes i like to fix my own as well, as a new is very expensive, i dont think it is the voltage regulator as the alternator is not over chargning but dont charge at all. and the brush holder seems to have good contakt to the rotor..

Link to comment
Share on other sites

Voltage regulator , diodes , slip rings , windings , and bearings can all go faulty , not worth repairing as the alternators only last around 100000 miles , usually inner slip rings worn out - just accept that they are consumeable like tyres and replace the alternator every 100000 miles .

It’s part and parcel of owning an old car , battery ,alternator, crank pulley,water pump and so on will fail - you just replace them with new

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. You might also be interested in our Guidelines, Privacy Policy and Terms of Use.