Headlights

[bttravelrs]

We have a 2002 Monaco Executive. Came back from a trip in May, all operations were in tact. Brought the unit home to prep for another adventure and while going thru the typical checklist of operations the headlights did not work. All clearance lights came on without issue. The light switch had been replaced in March. Pulled the switch to confirm power was getting to the switch. All checked out. The wiring diagram shows a "breaker" in the fuse cabinet below the driver seat. Obviously not a clearly identified device. Smart Wheel was my next investigation. SM 209 is installed and can be replaced by SM 210. The other thought was the headlight flash on the steering wheel itself.

I am also not certain if there is a relay involved in the headlight operation. I am looking for any suggestions to track down the issue.
Thank you

[code2e]

Originally Posted by bttravelrs

We have a 2002 Monaco Executive. Came back from a trip in May, all operations were in tact. Brought the unit home to prep for another adventure and while going thru the typical checklist of operations the headlights did not work. All clearance lights came on without issue. The light switch had been replaced in March. Pulled the switch to confirm power was getting to the switch. All checked out. The wiring diagram shows a "breaker" in the fuse cabinet below the driver seat. Obviously not a clearly identified device. Smart Wheel was my next investigation. SM 209 is installed and can be replaced by SM 210. The other thought was the headlight flash on the steering wheel itself.

I am also not certain if there is a relay involved in the headlight operation. I am looking for any suggestions to track down the issue.
Thank you

Always check for power and ground. Basic rule of DC electrical troubleshooting. With the headlight switch on, is there power to either of the bulbs? Is the ground to each of the bulbs good? If you have power and ground, could be simple as burned out bulbs.

Once you know if the bulbs work, then trace back.

[LETMGROW]

You have power coming to the switch. Do you have power going out of the switch? Don't be confused with power as you may have two power feeds to the switch. One will feed the parking lamp, tail lamp and running lamps while the other would be dedicated to the headlamps.
Do you have a wiring diagram for your coach?