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Thread: Jeep M38A1 radio

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    Sergeant
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    Default Jeep M38A1 radio

    So I recently purchased a 1953 Jeep M38A1 that I'm in the process of working on. Vehicle is all there, NO rust, just fixing the usual issues it had from sitting ( no brakes, gummed carburetor,garbage batteries).
    It has a rather large radio mast in the left rear corner, and the guy I bought it from said it used to have " big radios in the back". He said he removed them and GAVE them to a friend so they're gone, but I'd like to put them back ( non working is ok). Would anyone know what might have been in the Jeep, and where maybe I might find them? Someone I know said it may have had an AN/GRC 5 or 9, but my research turns up nothing.
    Thanks all!
    Gene
    1971 M35A2 WO/W
    1953 M38A1
    2000 Jeep Wrangler wheeled and lifted
    2013 F 150 wheeled and lifted
    Few other toys

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    4 Star General NDT's Avatar
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    You will need to do some archeology to figure that out. Start by locating all the drilled holes in the rear area of the Jeep, and posting pictures or a diagram of them. Then we can let you know what sets would be mounted in those locations. A1's mounted a multitude of radio sets.

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    Sergeant
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    Ok, will do and thank you!
    1971 M35A2 WO/W
    1953 M38A1
    2000 Jeep Wrangler wheeled and lifted
    2013 F 150 wheeled and lifted
    Few other toys

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    Colonel overlordofmars's Avatar
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    My M38 had a DY88 dynamotor with a GRC9 when I had it. it had a huge mast and the whole setup weighed 120 pounds. I still have the GRC9, but the DY88 is missing from my garage.
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    I would ask the 1st guy to put you in contact with the 2nd guy, and he could tell you what they were.
    M817, M818, M819, M35A2 w/w, M35A2, M109, M105, M116A2, M101A2, Pioneer tool trailer, MEP-002, MEP-017A, 5ton winch shear pins, Oral-B toothbrush

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    Colonel Wile E. Coyote's Avatar
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    AN/GRC-3 thru 8 radio sets are huge. If the M38A1 had one of those, it would've been in place of the back seat mounted crossways. USMC did that...Army may have too...but it's not that common. Common setup would be AN/VRC-8, 9 or 10 which is the RT-68 transceiver with the PP-112 power supply along with the mounting tray, and that bolts on a back fender. Some had just the AN/VRC-7 which is a short-range setup (actually also forms part of the GRC-3 thru 8 sets as well) which was an RT-70 mounted on top of an AM-65 power supply/ interphone amp and its mounting tray. While that would technically give you intercom capability also...it wasn't used in the jeeps.

    There is a ton of that family of radio gear around which can often be had working. Fair Radio sales usually stocks most of it, and there's tons of it regularly on Ebay. Audio accessories are LS-166 for the speaker, M-29/U for the microphone and H-33*/PT for the handset. Mics and handsets are starting to get rarer (and pricey) but they're out there. Be advised that if you have some buddy or something with a "whole bunch of handsets and headsets in the garage" or whatever -- chances are very good that they'll all have the wrong connectors for the VRC-8/9/10 stuff and likely belong to the later family gear.

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    Don't forget the AN/VRC-19s that MPs used in M38A1s
    Jason Green
    Atlanta, Ga



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    Ok guys, I wanted to thank everyone for the help and to post and update. I was able to get an RT-66, a PP-112 power supply, and also a MT 299 mount. Not sure if they work and I don't really care at this time.
    Winter project will be to install them and clean up the interior and new seat cushions.
    IMG_1164.jpg
    1971 M35A2 WO/W
    1953 M38A1
    2000 Jeep Wrangler wheeled and lifted
    2013 F 150 wheeled and lifted
    Few other toys

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    4 Star General NDT's Avatar
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    Quote Originally Posted by exhogflyer View Post
    Ok guys, I wanted to thank everyone for the help and to post and update. I was able to get an RT-66, a PP-112 power supply, and also a MT 299 mount. Not sure if they work and I don't really care at this time.
    Winter project will be to install them and clean up the interior and new seat cushions.
    IMG_1164.jpg
    let me know if you need the signal corps drawings of the wood mounting blocks and location on the sponson.

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    NDT, thanks and I'll let you know! But I thought with the mount I don't ?
    Sure send the drawings if you can please!
    1971 M35A2 WO/W
    1953 M38A1
    2000 Jeep Wrangler wheeled and lifted
    2013 F 150 wheeled and lifted
    Few other toys

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