g0ozs Posted February 15, 2012 Share Posted February 15, 2012 Dear All I am not sure whether this belongs in Electrics, American Vehicles, the non-existent French vehicles topic, for sale or here so I will post it here and let the moderators move it if they think it should be elsewhere. I have a French Simca Marmon SUMB truck with a 2 pin slave / intervehicle connector and a couple of French inter-vehicle cables. The socket on the vehicle has copper contacts flush with the surface and the plugs on the cables have pins about 35mm long. I bought some similar looking sockets advertised as being for M35 trucks etc from a US E-Bay seller which are mechanically similar and mate with my plugs but have deeply recessed contacts inside - about 37mm from front surface to metal as near as I can measure. So there is little or no electrical contact and I can only assume that they were designed not to mate. I am therefore trying to understand why there are two versions, and what the correct version of the socket to replace the rather scruffy one on my truck would be called so I can try to buy one (I'd actually like to buy several, as I want to build a couple of battery packs compatible with my truck for backup starting and to power radio equipment in the field as these seem like ideal screened heavy current connectors ...) I am also open to offers for the 6 NOS ones which turned out not to be what I needed ! Regards Iain Quote Link to comment Share on other sites More sharing options...
Marmite!! Posted February 15, 2012 Share Posted February 15, 2012 Moved to electrics, please post a seperate thread for the bits you have for sale in classifieds. Thank You Quote Link to comment Share on other sites More sharing options...
fesm_ndt Posted February 15, 2012 Share Posted February 15, 2012 Apparently these plugs had a habit of arcing when the silver coating wore off, so perhaps this is why the other ones may be shorter. The newest intervehicle connectors use a large centre pin. I have several of these in parts box over here as were fitted to Hong Kong FFR's. Will have a look at the pins next weekend. The only drama I see with fixing them is getting the correct copper bit to recrimp onto the wires, not sure if it is a standard part or not. If can get that then easy to fix ps: should be a piece of rubber under the cap Quote Link to comment Share on other sites More sharing options...
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