1989 FC Dash buzzer wont shut off
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12-27-2014, 23:05
(This post was last modified: 12-27-2014 23:23 by GregOConnor.)
Post: #4
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RE: 1989 FC Dash buzzer wont shut off
First look was to check out the Jack warning system. The jack alarm set up seem to have mercury switches and I think they are hooked up to a different alarm than the one that is buzzing. the PO of this bus hacked the jack buzzer also as they are disconnected some place. I was able to find the Kysor Cadillac alarm module which is located at the bottom of the steering column left side under the carpet flap. The diagram that Curt sent showed the green/white wire was to power the buzzer. Disconnecting green/white stopped the buzzer. Since the Kysor Module only looks at water level off the green/black and the water temp warn and oil press warn are hooked to the tan/orange I re hooked the buzzer green/white than disconnected the wire to the oil press warning lead which stopped the buzzer. I can only guess that the oil press switch grounds out until it reaches a set safe pressure. Since the bus oil pressure is reading 40 and seems to react normal to engine rev I think it is safe to assume the oil press switch is f'ed . The oil press switch is connected to a oil line tee under the driver floor next to the engine . It looks like the switch was replaced prior and I cant assume the switch is the correct one so I need to source the part and get one ordered. Leroy once drove home the practice of making the switches and senders match up with the gauges and modules so I hope there is a Kysor switch replacement that is available. I never found the actual buzzer.
here are some images . the pdf is the fc master wire diagram and one pdf is a copy of a Kysor owners manual. ![]() ![]() Gregory O'Connor 2001 LXi43ss Romoland California 92585 951-830-5997 Rainbowrv.com |
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Messages In This Thread |
1989 FC Dash buzzer wont shut off - GregOConnor - 12-26-2014, 02:47
RE: 1989 FC Dash buzzer wont shut off - Robert Britton - 12-26-2014, 15:54
RE: 1989 FC Dash buzzer wont shut off - GregOConnor - 12-27-2014, 04:33
RE: 1989 FC Dash buzzer wont shut off - GregOConnor - 12-27-2014 23:05
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