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Emergency flasher does not work

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Old 08-27-2009, 09:12 PM
Dialtone Dialtone is offline
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Emergency flasher does not work

99 F150 4.6 single cab.

The emergency flasher system is not working properly. When the switch is pressed it may/ may not flash once then stop cold.
Trun signals work just file.
I can hear/feel a relay under the dash activate for both flashers and turn signals but was wondering if a seperate relay unit is used for the different functions. Haynes manual electrical diagram is no help as it does not show the flasher relay(s).

Or is this just a bad multi=function switch problem.

Any guesses?
Thanks
Dialtone
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Old 08-28-2009, 06:16 PM
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fordmerc fordmerc is offline
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I would guess multi function switch.
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Old 08-28-2009, 08:35 PM
Mawk Mawk is offline
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My guess is a bad flasher relay.

Left hand instrument panel on the fuse panel.
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150, 1995, 2000, 2001, 2003, 250, 99, emergency, f150, flasher, flashers, ford, problem, relay, signals, turn

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