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Is the relay for the passenger seat in the same place, or on the other side of the cab? Maybe he could swap the relays, which should confirm where the problem is. What's involved in replacing the element? I assume it'd be best to have an upholsterer do the work.

Hunt down a G80 and stick it in there..............

Will you share the wealth and treat us to another meet up?

The 22mpg was derived from commuting @ 180 miles a day for 1/2 a year over the same route. The mileage mix was 150 Interstate & 30 local. Thanks, Greg ~~~~~~~~~~ c3wannabe, want to do it once & be done with it. Hopefully I get another 200k+ out of it as well. Ya all have a good one.

I've done more than enough overhauls to know what is involved. I'm not talking about a "backyard re-ring job" either. That would come in at less than $500. If you can't rebuild a 4.3 Chevy yourself for $1000 or less, you are doing one or more things way to expensively. Sounds like you might be spending to much money for some things. We are talking about an engine which shares many parts with the small block Chevy, not...

You never know, someone has got to win the lottery, it might as well be me!

C3, I dropped a 350 into a mid '80s 2wd blazer and had none of the problems you mentioned. If it was 4wd it would need a different oil pan and a original model with 4.3 would have been even easier. But for a daily driver the 4.3 is just fine in a S/T truck, IMO. Now they do make a fun second vehicle if the engine is not stock!

There is a plug in the fuse bank under the dash that you can pull out to silence the seat belt chime as well as the keys in iginition chime.

Thanks guys! Guess I'll just have to deal with it.

Well the seat warmer relay is under the dash on the drivers side firewall, there is one black nut that holds the cover on. But that may not be the issue. I have seen the heating element itself fail in the seats more than a bad relay. I know Dorman Corp. sells replacement heating elements fairly reasonable.