not ALL engines had a block heater. yours may, though. on a 617, it is on the drivers side of the block. you should be able to spot it if there is one, and you can order a cord from this site.

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1984 123.193 372,xxx miles, room for Seven.

1999 Dodge Durango Cummins 4BTAA 47RE 5k lb 4x4 getting 25+mpgs, room for Seven.