I am checking for shorts and bad grounds in the lighting hoping that when I find the reason for the low beam problem I will find they are connected. I will keep the battery disconnected for now just to be sure. I am starting on the curb side headlight (where I recently replaced the Daytime running light which blew around the time the trouble started.) I am guessing only but it seems to be as good as any place. Suggestions would be great if there are better places. Turns out I did find a
problem. Don't know if it is the
problem though. I had to remove the headlamp assembly to get access to the wiring inside. It is bolted and screwed to bits of metal and blocks of wood that are sort of mainly glassed into the front section. I have had this one out before. Here is the headlump
When I needed a lens I was told that it was made for a Lada truck made in Poland. Here is the back
It is right side up in this picture. The large hatch with the wire clip gives access to the large Day Lamp. The open hatch on the left is for wiring and you can view the low beam (bottom) and High beam (upper.) It might be possible to change those bulbs through this hatch but it is easier to pull the entire unit and remove the lens. I'll change them just in case.
Here is a closeup of the wiring I found. I wonder how this happened? It's not melted. The red wire looks like it didn't have insulation when it went in.
The wires seem solid so I will see if I can slip shrink tube over them. This could easily short but it would short to the hi-beam which would have lit up. The grounds for low and hi are on the same pin. I'll make sure the bulbs are seated properly.
I don't think this is going to fix it but it needed to be fixed. All of the relays are good. All wires are inside covered bundles so I don't know where they go. I can't find the breaker for the lights. Can anyone help with that? I would like to test the ground and power at the breaker and possibly replace it. Fuse is set firmly and good. any suggestions?