Intermittent loss of headlights

[Netmxer]

While driving at night on our last trip, out headlights suddenly went dark. The dash lights stayed on but the headlights went off. This lasted a few minutes then the lights eventually came back on without me doing anything. This happened a few more times before they eventually stayed on for the rest of the trip.
I'm hoping this was due to a bad connection with the toad light hookup but when I removed the cable to the toad it seemed like both plugs were seated good.
What other things could cause this problem? Where would the ground wire be on a Monaco Lapalma Diesel so I can make sure it's got a good ground?

[Gorlininc]

Sounds like the headlight may be going.

[itdave]

I am not sure about a La Palma but most headlights are controlled by a relay in the front run bay. Check and make sure all the relays are firmly seated.

[nplenzick]

Happened to me once. The connection on the light switch was never installed properly and worked it's way loose.

[winniman]

had a ford truck that did that. someone had wired the stereo to the back of the headlight switch and fried the wire harness on the back of the switch. there are a lot of wires connected to that switch. guy at the auto parts store told me it wasnt uncommon for headlight switches to fry. probably not your problem but the headlights going out at random was the same. if you can see the back of the switch it might not hurt to look for heat damage. good luck