PCM wiring harness - Ford Powerstroke Diesel Forum

 
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post #1 of 3 Old 10-27-2010, 03:32 PM Thread Starter
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PCM wiring harness

I have a '97 F350 with 5 speed.
Died going down the road, and then no-start.
I checked the fuel bowl, fuse 22, and the HPOP reservoir.
I replaced the CPS, IDM, IPR, burnt valve cover plugs.

Still nothing, so I had it towed to a friendly Ford dealer.

They say they can't run a complete diagnostic, because there is a short in the PCM harness. I think they mentioned "block 40".
I can't possibly pay them $600+ for the harness, and $300+ for the labor to install it, which is what they quoted me.
Is there another source for this harness, or does anyone know what this "block 40" is or what it controls?

Thanks for any help you might be able to provide.
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post #2 of 3 Old 10-27-2010, 04:08 PM
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did you check the wiring harness under the valve covers?


2016 F450 6.7L XLT 4x4Dump, bone stock
1994 F250 7.3L XLT 4x4 ZF5 , Centurion, 4" Lift, 6637, Gulf Coast Bypass Filter, Big fuel tanks, dana 60 swap, No longer dually
1997 F350 7.3L XLT 4x4Dump, E4OD, 4 in exhaust, TS 6 position, 3/8 Trans line+external filter
2013 Scag Turf Tiger 61" 1.1L Caterpillar Diesel
1960 John Deere 440 Backhoe 2-53 detroit
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post #3 of 3 Old 10-27-2010, 04:54 PM Thread Starter
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Already replaced the valve cover gaskets, harnesses, and pigtails.
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