120 volt A/C plugs outside under drivers window on a MCI 102a3 1987

[hargreaves]

Can anyone tell me what the two 120 volt plugs outside the coach under the drivers window do? One when I hook up the rear one it draws a lot of power and a loud hum comes from the compartment under the driver.

[gumpy]

Not sure on your bus, but on the MC9 I have, the 120v ac connection was to power the fluorescent lights in the overhead bins.

[Tenor]

I have on that light up 110 bay lighting.  They use the same switch as the 12V lights.  My buddy who had another MCI 7, his lit up flourescent lighting in the ceiling of the bus, right down the middle.

[tekebird]

shore power for in terminal lighting.  mostly a greyhound Option.

every once in a while you will see one that is set up for Station Air Conditioning input as well

[hargreaves]

Thanks guys, Mine hums but does nothing. I guess it hasn't been used in a while. I guess it will go the way of the seats and bins.

[scanzel]

I have an operators manual and it says that the plug or plugs were for 110 volts ac to power interior fluorescent lights, destination sign and underfloor baggage compartment lights. A circuit breaker panel should be located on the rear vertical wall of the compartment below the drivers floor. I would say that this is probably what you have.

[tekebird]

use it as a shore power input point

[Bus Busted]

   Can we clear this up a little more for the 86-87 MCI 102a owners? I have the same setup on my 86 MCI 102a. In mine the front one draws current and hum's, the rear does not. Has anyone made use of this the way it came from Greyhound without hacking it? When searching this is the one that matches what I need to know, but not very clearly. In order for it to power the fluorescent lights, do I need to hit a switch/ breaker? My inside fluorescent lights work while the batteries are on (after hitting the inside lights switch), but still keep draining the batteries after plugging it in. Also, why two plugs with one humming and pulling current? Is the humming one for the air con or the lights? If anyone can give instructions on how this works, is the hum normal, what about the non-humming plug, do you have to bypass the batteries when plugged in, or does it trickle charge when plugged in and if so which plug? I get that it was for in station use, (Lights and Air Con) but can't see how to get it to work. Might clear it up for future searchers and myself. Thanks, Jon

[Aviator]

Is the Rear 120V possibly for a Block Heater?

Larry

   Can we clear this up a little more for the 86-87 MCI 102a owners? I have the same setup on my 86 MCI 102a. In mine the front one draws current and hum's, the rear does not. Has anyone made use of this the way it came from Greyhound without hacking it? When searching this is the one that matches what I need to know, but not very clearly. In order for it to power the fluorescent lights, do I need to hit a switch/ breaker? My inside fluorescent lights work while the batteries are on (after hitting the inside lights switch), but still keep draining the batteries after plugging it in. Also, why two plugs with one humming and pulling current? Is the humming one for the air con or the lights? If anyone can give instructions on how this works, is the hum normal, what about the non-humming plug, do you have to bypass the batteries when plugged in, or does it trickle charge when plugged in and if so which plug? I get that it was for in station use, (Lights and Air Con) but can't see how to get it to work. Might clear it up for future searchers and myself. Thanks, Jon

[buswarrior]

Somebody has to have a manual...

The one I had, I gave to a busnut doing a conversion...

happy coaching!
buswarrior

[hargreaves]

I think the rear one powers the baggage bay door lights when in the station.