91 E350, where is the PCM located? - Diesel Forum - TheDieselStop.com
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E-Series Vans Technical discussion of topics related to vans powered by any of the Navistar engines. This covers a broad number of years, but there isn't enough demand to split it any further.

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Old 10-10-2009, 12:20 AM   #1 (permalink)
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91 E350, where is the PCM located?

Looking for the PCM on my van. I don't think it's getting power. I posted over on the IDI forum but haven't got an answer to this question. There's clearly no power to the trans and I don't have a diagram yet.
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1986 F350 Crew Cab 2wd SRW. 1991 7.3 IDI, T-19 4spd Sterling 10.25 3.55, 12" HD clutch. A Banks waste gated turbo. 5" cut down Peterbilt stack. Midwest rebuilt IP turned up. AC Delco 6.5 GM 12V GP's, working great. Running W85 high performance zero-gel diesel! D60 front conversion, 4wd conversion, dually conversion, and steel flatbed conversion now underway. Man those frame rivets are a pain!

1966 Porsche 911. 1983 911 SC engine with modified Zenith carbs, headers, 911S brakes, custom fuel rails, MSD 6al box with timing computer, 1974 IROC body kit. 1850lbs, 200rwhp, total blast to drive.
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Old 10-11-2009, 02:46 AM   #2 (permalink)
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Found it. The connector is in the engine bay under the blower motor assy. The actual module referred to as TECA, TCM, or PCM is under the dash on the passenger side. To remove it you have to unbolt the connector then remove the plastic cover inside the van and undo one bolt, simple as that.
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1986 F350 Crew Cab 2wd SRW. 1991 7.3 IDI, T-19 4spd Sterling 10.25 3.55, 12" HD clutch. A Banks waste gated turbo. 5" cut down Peterbilt stack. Midwest rebuilt IP turned up. AC Delco 6.5 GM 12V GP's, working great. Running W85 high performance zero-gel diesel! D60 front conversion, 4wd conversion, dually conversion, and steel flatbed conversion now underway. Man those frame rivets are a pain!

1966 Porsche 911. 1983 911 SC engine with modified Zenith carbs, headers, 911S brakes, custom fuel rails, MSD 6al box with timing computer, 1974 IROC body kit. 1850lbs, 200rwhp, total blast to drive.
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