There are a few things to check, first are the bulbs good? high and low are separate elements and the low could be blown out.
Second is check the fuses, high beam and low beams often have separate fuses.
Third would be the dimmer switch.
My be fuse
It is in the tank, part of the fuel pump module.
dot 3 brake fluid.
Lower left of radiator.
I do not believe that it would clear the caliper.
In the middle of the heater box under the dash.
Pass side, after the converter.
Timing chain cover gasket
It does not have a removable governor. Speed is computer controlled by the ECU.
yes
Clogged radiator, also it could be a bad thermostat, or fan cluth all 3 have failed on my 2002 ram1500
This is a transmission fault code. You need to take this to a transmission specialist immediately before you do more damage to the transmission.