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Author Topic: Auxiliary Headlights on '81 MC 9  (Read 669 times)
wagwar
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« on: March 13, 2013, 04:28:14 PM »

I'm going to install an additional pair of headlights on the bus - stock headlights are partially obscured by a bicycle rack. I found some snow plow lights that are inexpensive and provide both low/hi beam in a single halogen bulb.

My question is regarding positioning of the lights on the front of the bus. The two positioning options are slightly lower and slightly outboard of the original MC9 headlights or slightly above and outboard of the stock headlights. Just wonder if higher is better than lower?  Are there any DOT regs that limit height of headlights? 
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Stormcloud
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« Reply #1 on: March 13, 2013, 04:46:02 PM »

Not sure about the DOT regs, but there is a HUGE variety of trucks around here for farming, oil field, transport, concrete mixer trucks, delivery trucks, etc.

Some of these are all-wheel drive, adding an extra 6-10 inches in height for the entire rig. In most cases, the headlights remain in the factory as-built locations. I'm sure some would need a stepladder when it comes time to replace the lamps.

Lower ( as IN the bumper ) may be less conspicuous.....just make sure they are aimed correctly.
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Mark Morgan    near Brandon, Manitoba, Canada
1972 MCI-7     'PapaBus'  8v-71N MT654 Automatic
Iceni John
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« Reply #2 on: March 14, 2013, 11:34:09 AM »

Are there any DOT regs that limit height of headlights? 


Here are the NHTSA's Federal Lighting Equipment Location Requirements that specifiy headlamps must be between 22 and 54 inches from the ground:   http://www.nhtsa.gov/Vehicle+Safety/Other+Equipment/Trucks,+Buses,+MPVs:+Federal+Lighting+Equipment+Location+Requirements

John
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1990 Crown 2R-40N-552:  6V92TAC, DDEC II, HT740, Jake.      Hecho en Chino.     
Behind the Orange Curtain, SoCal.
Uglydog56
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« Reply #3 on: March 16, 2013, 11:07:18 AM »

Higher is better for you the driver.
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Rick A. Cone
Silverdale, WA
66 Crowny Crown "The Ark"
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