RailPro User Group
RailPro => RailPro Specific Help & Discussion => Topic started by: DaveB on July 28, 2017, 10:26:12 AM
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Looks like Scale Trains SD40's are not real easy to install the LM's in. Has anyone done the new InterMountain gevo's yet. Where do you get a 9 pin to 21 pin adapter? I have 2 Scale Trains SD40's, looks like a challenge.
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KPack made us aware of this some time back: http://tcsdcc.com/Customer_Content/Products/Harnesses/European_Harnesses/harnesses.html (http://tcsdcc.com/Customer_Content/Products/Harnesses/European_Harnesses/harnesses.html)
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I haven't wired up either if those brands yet, but here is a link to the 21 pin harness:
http://www.modeltrainstuff.com/TCS-Harness-p/tcs-1352.htm (http://www.modeltrainstuff.com/TCS-Harness-p/tcs-1352.htm)
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Dave,
There are several ways to install Railpro in a ScaleTrains SD40-2. One way as shown by another member here was to purchase a 21-pin adapter (linked above) and plug in the module. Another way, which is more complicated, is what I did.
I completely removed all factory electronics, keeping only the rear headlight LED. The reason I removed all the other LEDs is because the prototype I am building has no class lights, but does have ditchlights. The stock front headlight was too dim for my taste so I replaced it with my own LED. I'm not interested in lighted number boards either so I removed those. Removing the factory board frees up a ton of space above the weight. Plenty of room for a module. I also installed a keep-alive (located in the factory speaker box) and two sugar cube speakers. It was all a tight fit, but definitely doable.
Here you can see where I put the keep alive and associated bridge rectifier. This is the only place the KA would fit due to its awkward shape.
(https://oppqhq.bn1302.livefilestore.com/y4m-CahjAsIXRFT-9ULc4Kd-1QXH8in-dQj8PEqx7TWEidIJbn05UQI0KdHBbKfg6rrEZCQZ3jmq2qnYXliosz18cV3RgoBA5NulRPt_7KlM5qLF_4KTZrrJXnkVnUSKmaW3_BjHVr98PmTD3vPSz-QcNRvh294wOoluI0h1IV-m3yIVk9KzjTHm_dysoATnlicXe0JlCrffJYtqWvEUDNPwA?width=1024&height=576&cropmode=none)
Everything in place. Note that there is just enough room for the module and two speakers up top. Not much to spare.
(https://opprhq.bn1302.livefilestore.com/y4mjpGuhzgFvJyUuMfGCXCiRQQqJFHfxrnMB8ZBF-vaJ6KCTd3uhfIfpBBY2HaCrVW6TYwHYfOARPG-xCpk_B7u9GNaXMM24Sho7g9n_vglOja8MyVuYa-d3dvJjqNhNNJnOnOqGe8Mylv-fNShfT7gduRaE4DKGzUIKfvgnuIGQiiFLYy4snjIn6CCkutQ7jwWUafuEhX7Dzyr4YxgOWiDdg?width=1024&height=576&cropmode=none)
From the side, nice and clean. Note the wires going to the ditch lights and front trucks are tucked under where the cab would be.
(https://oppwhq.bn1302.livefilestore.com/y4mTJbXsQNT7aMlAa5F6Pi3T65wJEX99EXBxItK9-bdfKkrFXOa0w0BPegNGPAehxmiOZcFyUxtHKU-CAivKjVEBg6oUZr9r5FcnHnpmPU_MvPW0lJyEXgKnlKHvdaiPS6TdHj_o_BRwDyIG1-MwDOFSZ0C_PciCZTSInKkQat7uETHwvSrJYJnzS2zQ0e1M0j10t5GzUmJrT35QR4v8_7uRw?width=1024&height=576&cropmode=none)
And with the shell on you can see that everything fits with no interference. The nose was removed in order to replace with an 81" nose per my prototype.
(https://oppxhq.bn1302.livefilestore.com/y4mp1k84FqDJWFmBkH84zSpifsyFCk1yO9JuoXWzgAMAwydDWV1banCK6AJ8xpCPhG_S1sVjBtfEdZsI0VE-o4AiXbkzJOazhvhs5uQrg9CHc70MH-haPfN_zrshVsYfjGul4fEfHlsAfxp_NymACItGTOcF2Byk_Cer1HyhBbobTGecfPvmAHwN2ofXMnR0LOuKOp0zOYMvC5XY_y1kk6tig?width=1024&height=576&cropmode=none)
-Kevin
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Nice job Kevin, I'm planning to remove everything on my next install. I might even go back and redo the first one.