Reply to "AF 8458 Southern diesel engine"

As it turns out, if you type in 8458 in eBay's search box - someone is selling an 8458.  Doris, that's a nice looking engine - a good find.  It also turns out - as luck would have it - that someone else is also selling the instruction sheet for the GP-7, GP-9 and GP-20 diesels sold by Lionel (aka LTI or "Fundimensions") that year.   Reading that sheet via the zoom feature on eBay, the reverse unit is electronic - so nevermind my earlier musings about the reversing unit.  However, there is a sliding switch on the bottom of the chassis that is the 'lock-out' switch - designed to lockout the reversing sequence - so if it doesn't want to run in reverse at all, it might be that switch - or it could be dirty and making poor contacts internally.  You could try moving the sliding switch several times and/or give it a squirt of contact cleaner.  I think the switch wants to be in the 'forward' position (meaning toward the end of the loco with the 'short hood') to 'unlock' the reverse sequencing.

Last edited by richs09
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