greyheadedguy

Hey everybody back again with my "gem*" 1987 Toyota 4x4 Pick up. Standard truck with 5 speed transmission, Standard cab with a bench seat, power steering and AC..

The brake lights kept coming on all by them selves (or I didn't notice when I left.) So I climbed under the dash and readjusted the brake light switch and fixed it, but I screwed something else up big time! Now when I start the truck up my brake warning light and my charge lights stay on.

The brake warning light comes on like it is supposed to when I have the parking brake set, but when I release the parking brake the brake warning light flashes and dims a little, but stays on. When I set the parking brake the brake warning light brightens a little bit. Basically the brake warning light is staying on just like it would if the reservoir is low.

The charge light is on when I turn my key on and stays on when the truck is running. So I checked and my battery is not being charged.

I can't imagine that my alternator went out at the same time that I adjusted the brake light. No clue what the deal is with the brake light.

Is it possible that I shorted something and blew a fuse?

I did crawled back under my dash and nothing jumps out at me as to what I might have done. I can see nothing unplugged, broken wires or anything else undone. But I did not stay out there very long as it was 107 degrees at the time...

Thanks in advance for any help you can give me,

grey

* See my original post my my "gem' of a truck: https://www.yotatech.com/forums/f116/my-87-toyota-4x4-fun-mysteries-restoring-toyota-4x4-gem-286473/

wyoming9

iTrader: (1)

Did you have the battery disconnected when adjusting this ??

I bet you caused some fuses to open.

Maybe even knocked a fuse loose in the socket

greyheadedguy

Finally able to het back to working on my truck, so I checked the fuses and the good news is all my fuses are good, that is also the bad news too!

Hanging down above the fuse block is a pink wire and a purple terminating at a white plug? Any clues what/where this goes? I am too big across the shoulders to easily get under the dash, so this is quite painful, plus we are have 110 degree heat this week...

I have determined no power to the battery, how do I test my alternator to see if it is good or not? Might be good to know if my problem is an alternator that went out when I worked on the brake switch...

grey

greyheadedguy

Anyone have wiring diagram for an 87 Toyota 4X4? If I had a wiring diagram I could start chasing wires...

greyheadedguy

Not sure how I managed to do this, but my alternator went... It was the typical Toyota 22R Charge and Brake light coming on because the alternator went bad,,,

I pulled both alternators, mine in my truck (attached to the 85 engine I put in the 87 4x4) and the one on the old engine (that I pulled out of the 87 dead) and took them both down to have them tested and sure enough my alternator(85) was bad. I know I put a set of brushes in that old alternator 10 years ago. It was the alternator that was in the 85 when I bought it in 2001, I know I put over 60,000 miles on that alternator... So who knows...

Thanks for the help,

grey

wyoming9

iTrader: (1)

Just one of those things the alternator quit when you had the brake light switch issue