Why does my lights and everything dim then when I press on gas its fine. on 1996 Toyota RAV4

It started 4 months ago. Bought a new battery and still have issues. Now my wipers front and back don't work.

Asked by for the 1996 Toyota RAV4
your charging system has a problem. get a shop to check the alternator and see if it working correctly.

1 more answer
I agree with #1