This one does (attached pic). It's from Classic Parts.

99% out of a 100% of the time, the problem is in the dimmer switch.

If you truly have a short, your are risking a fire or frying your wiring.
You need to nail this problem ASAP.

1. Remove both head lamp sealed beam bulbs
2. Remove dome light bulb
3. Remove fuses (firewall box) for tail and stop lights.
4. Connect voltmeter across battery
5. Engine not running or cranking

You are looking for a significant voltage drop when you pull the knob on the headlight switch.
Watch your dash ammeter gauge for a significant deflection.
If your current or voltage has a significant change then you may have a problem somewhere else.
Report what you see.
Attachments
HL Switch.jpg (38.9 KB, 114 downloads)

"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."