Question about 1986 Ford F 250

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1999 f250 keep blowing the pcm diode fuse is the diode bad ?

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Posted on Jan 02, 2017

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SOURCE: blowing fuse

You have a short circuit somewhere... I had the same problem. Look for a uncovered wire

Posted on Oct 20, 2008

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  • 165 Answers

SOURCE: #14 fuse on 1999 jetta keeps blowing. replace and it starts again

there is a short somewhere in the wiring

Posted on Jul 20, 2009

  • 83 Answers

SOURCE: why is the abs fuse keep blowing in 1999 mercury cougar?

You will need to optain a wire schematics for the abs system and related parts. The fuse is blowing because there is an obvious short circuit in the system. The wire schematics will help you trace the shorted power wire thats giving you problems. Repair wire as nesessary. (Replace damaged section of wire) Replace fuse.

Posted on Jul 23, 2009

jbass706
  • 167 Answers

SOURCE: PCM protection diode and PCM relay I have a diesel

Fuse #2 in the fuse box behind the driver's knee panel is the 5amp "KAM" fuse. The others,in under the hood fuse box would not be a concern as without them being good the engine will not start and no code read would be possible.

Posted on Oct 25, 2009

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SOURCE: 30 amp fuse blow's

is it the crank fuse if it is could be starter drawing to many amps try new starter

Posted on Feb 13, 2010

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2003 mercury mountaineer keep blow fuse 41 and will not trune over


F1.41 15 PCM power diode, PCM power relay, Vapor management valve,
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Check all of the battery terminals and cables and check the wires on the starter/selonoid, start from the battery and follow the cable out and check all conections , clean and tighten them and if it still does it the starter/selonoid is bad and needs replacement...

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1997 grand marque what does fuse #7 control and why does it blow when the ignition iws turned on


Fuse information should be posted near the fuses and is in your owners manual, PDF copies are available at fordowner.com and I was able to google it here: http://www.crownvic.net/drock96marquis/images/fuses/95-97cvgmqINTfuses.jpg. The chart I was able to locate says fuse 7 is for the PCM Power Diode and the Ignition Coils. Does the car start? I understand that the Power Diodes go bad and the car won't start.

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30 amp fuse blow's


is it the crank fuse if it is could be starter drawing to many amps try new starter

Feb 13, 2010 | 2000 Ford F350 Super Duty Super Cab

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F250 #17 fuse keeps blowing. why?


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Dec 01, 2009 | 1997 Ford F250 SuperCab

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PCM protection diode and PCM relay I have a diesel 1999 f 250, is this under the hood in with the other fuses. or by its self. I have a p0603 Inernal crtl mod cam error, and some one said to look at the...


Fuse #2 in the fuse box behind the driver's knee panel is the 5amp "KAM" fuse. The others,in under the hood fuse box would not be a concern as without them being good the engine will not start and no code read would be possible.

Oct 25, 2009 | 1999 Ford F250 Regular Cab

1 Answer

Pcm or computer fuse location, where is this fuse so I can check to see if blown?


It should be in the under hood fuse box with a PCM protection diode and PCM relay. Is your truck light duty, super duty, gas or diesel?

Oct 25, 2009 | 1999 Ford F250 Regular Cab

1 Answer

Where is the kam fuse on 1999 f250


it's be the pcm or computer fuse, if you've cleared a code and just need to reset the kam or keep alive memory. disconnect the battery for more than 1 minute but no more than 3 minutes

Oct 25, 2009 | 1999 Ford F250 Regular Cab

1 Answer

I have a 99 ford powerstroke that the fuse blows


diconnect the heater, if it doesnt blow fuses anymore, the heater may be shorted out.

Sep 18, 2009 | 1999 Ford F250 Regular Cab

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