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  1. H

    turbo 400

    So someone probably swapped internals or cut the output then?
  2. H

    turbo 400

    That would make sense but 69 didn't have 203 transfer case either did it
  3. H

    turbo 400

    Wouldn't the k case have the holes for the cast cover? This one has the holes for a stamped cover
  4. H

    turbo 400

    The transfer case bars are there and I plan on running them I'm just a little confused as to why the four wheel drive case doesn't have the k case
  5. H

    turbo 400

    How big of a deal would it be by not running the cast cover and torque bars? It's just a plow truck it will never be on the road other than to drive it home. It won't be doing any off roading I'm just trying to get the truck up and running to get through winter
  6. H

    turbo 400

    So the turbo 400 that is in my 78 has the cast aluminum 6 bolt inspection cover. My new transmission I have only has the two maybe 4 1/4 inch bolts. The date code on the transmission says it's out of a 69. It has a 203 transfer case bolted to it. Is there anyway vi can use the aluminum...
  7. H

    1978 radio wiring

    No antenna in the windshield there's a whole in the passenger fender on the side for an antenna
  8. H

    1978 radio wiring

    I think I figured it out but would like someone to confirm what I'm thinking will a truck with radio delete say that on the options list in the glove box and will a truck with radio delete have the dash cut out? The wiring I found is cobbed together and none of it goes into the truck harness it...
  9. H

    1978 radio wiring

    There's also a orange wire with a black stripe is that a radio wire?
  10. H

    1978 radio wiring

    I also think the aftermarket wiring might be the same color as the standard wire colors
  11. H

    1978 radio wiring

    I believe there is and there's also a red wire which was added in and I believe it came from the factory with just the two dash speakers but someone added two but there just set on the floor behind the seat they were probably added when the radio was put in
  12. H

    1978 radio wiring

    I think I figured it out I think someone had an aftermarket radio in it at one point its got a single white plug with a metal box before it and the wires were just twisted together and wrapped in tape I will post a picture when I get home it won't let me from my phone
  13. H

    1978 radio wiring

    Can anyone show me what the radio wiring will look like on my 78 gmc Sierra? I bought it with no radio in it and no antenna which I'm thinking is supposed to be on the side of the passenger fender I will post a pic of the wire I think it is when I can. I know at one point the truck had a radio...

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