The resistor part # is 55036000
Comanche Club price = $5.60 plus shipping of $3 for 1st Class Mail. I keep it in stock.
If a dealer is telling you they can't get it, they are lying. Retail on them should be about $8 and they are still available as they fit all MJ's and XJ's 1984 - 2001. The only warehouse in the country showing to stock them is the one here in Orlando, but they have plenty and it should only take 3-4 days for any dealer to order one for you with no additional shipping cost if you choose that route.