BAC Forum
General Boards => Technical Support => Topic started by: Adam Hicklin on April 11, 2013, 07:37:10 AM
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So, I plan on doing the dim headlight fix, but before I jump in to that, I have a more immediate problem. Low beams work fine (but dim) but when I step no the high beam foot switch, headlights go out. Bad foot switch or ????
Thanks in advance for your help.
Adam
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Always hated those switches in my older vehicles and now have one again in the MH.
Years ago I would notice when the floor switch no longer felt like a clean clik on and off. First time it feels sticky or like it isnt smooth I replace them and start looking at the headlight switch as well
Keith
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Sounds like a bad switch. You can check to see if you are getting a signal from it by measuring the voltage between TB1-5 and gnd in the electrical bay. TB1-5 should be the high beam signal from the switch. (There is schematic diagram in the written headlight instructions).
Steve
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My Marquis does not have a headlight dim/high beam foot switch. All Toronto city buses I drove had foot switches for the indicators/flashers as well as for the headlight dimmer. It means you do not have to take your hands off the wheel to activate either system. A very big safety feature.
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Thanks Steve. I'll check that.
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I have never driven my 2001 Marquis at night. I don't know where the headlight dimmer switch is for my coach. Sounds stupid I know.
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I don't mean to hijack this thread, but I have a question regarding 4-way flashers. I live on a semi-busy street, so when backing in to my parking pad, I like to have the 4-ways on. However, when I step on the brake, the 4-ways stop, and I only have brake lights. Is there a way to change that?
Stan
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Richard, on my 98 it's one of the old floor mounted foot switches, just to the left of the steering column.
Stan, I had that problem on a 1972 Chevy Pickup about 20 years ago. If I remember correctly, it ended up fixing itself. Not much help. Sorry.