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1991 Ford F-350

Question: Where to look for diagnostic port on my 91 f 350 custom

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Ramsey21, Yacolt, WA, December 28, 2011, 11:17
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Has three trucks in one so I could be getting thrown off I was not the one who put the truck together. Thanks anything helps

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  • Answer #1

    mastertech6371 December 28, 2011, 11:32
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     Master

    under the hood on the left side. it is not an obd 2 connector. it is obd 1 and requires a scanner to check the system.

    Roy

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