Toyota Repair: toyota repaire, problom, ligths

Question
hey micke i was thincking for months whats the problom with my truck i would turne the head ligths and would not change gears it will get stuk in frist gear but when u turn the ligths off it will change all 4 gears i wish u could help me with my problom thank you 'jesus'

Answer
you have an electrical problem that requires hands on diagnosis.
Somehow the headlight voltage is getting to the transmission computer and not letting it shift.

The easy thing to do would be run a new headlight wire.

Ive never seen this complaint before.

Mike