2007 Ford F-550 park brake light

2007 FORD F-550
210,000 MILES
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MJSWEN
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Hi the park brake light will not go off when the brake is released we have confimed that the pedal is all the way up, the swich is new, even if we manuually actuate the switch the light stays on and our scan tool tells us that the brake is appied and the IPC light is commanded "on" any ideas?
Jun 26, 2013 at 12:59 PM
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DOCFIXIT
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Is High Mpount brake light on? if no then suspect faulty multifunction switch
Jun 26, 2013 at 1:04 PM
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MJSWEN
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this truck is a cab and chassis and dose not have a high mount light, what dose the mulitifunction switch have to do with the park brake cucuit?
Jun 26, 2013 at 1:11 PM
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DOCFIXIT
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Sorry PARK did not register been long day. So is park indicater light on instrument panel and won't go out if that is the caes has brake fluid level been checked
Jun 26, 2013 at 1:37 PM
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MJSWEN
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yes its full
Jun 26, 2013 at 1:39 PM
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DOCFIXIT
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All can come up with is a fault in instrument panel possible shorted diode in park lamp circuit
Jun 26, 2013 at 1:47 PM
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MJSWEN
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is this diode part of th IP? the IP diagnostics show B1352 U1900, and U2023, as well as "park brake applied" in the datastream
Jun 26, 2013 at 1:50 PM
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DOCFIXIT
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Thanks for codes if started with that would have been easier.
B1352 key in instrument short or open in circuit 158 the Warning system that is in connectoe C220A terminal 24. Having any problems with door Ajar or door open chime?
Jun 26, 2013 at 2:02 PM
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MJSWEN
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no the chime and ajar are working as expected
Jun 26, 2013 at 2:04 PM
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DOCFIXIT
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Pull dash check that circuit for ground or open .When key is inserted and turned sends ground turns off warning light.
Jun 26, 2013 at 2:09 PM
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MJSWEN
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how do I identify connector C220A and terminal?
Jun 26, 2013 at 2:24 PM
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DOCFIXIT
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should be marked on connecto think 3 in all see diagram check as shown. I hope ypou have electronic knowledge
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Jun 26, 2013 at 2:35 PM
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MJSWEN
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are you still there?
Jun 26, 2013 at 2:48 PM
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DOCFIXIT
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So what happened?
Jun 28, 2013 at 8:03 AM