Guest Mark1934* Posted March 3, 2013 Share Posted March 3, 2013 What is that little thing sticking out of the overdrive, just under the speedomotor cable, which looks something is supposed to plug into. It looks like some sort of switch or sender. Has female plug ends for electric wire. My overdrive has always works great. This thing has never had a wire going to it. What is it? Link to comment Share on other sites More sharing options...
MCHinson Posted March 4, 2013 Share Posted March 4, 2013 I don't know the answer to your question, but I suspect that a close look at some of the manuals on the H-E-T Club site would help you figure it out. Check out this link:http://www.hetclub.org/index.php?option=com_wrapper&view=wrapper&Itemid=495 Link to comment Share on other sites More sharing options...
dl456 Posted March 4, 2013 Share Posted March 4, 2013 Mark,Looks like a reverse lock-out. Opens the solenoid wiring when you put the car in reverse.Dennis Link to comment Share on other sites More sharing options...
Jon37 Posted March 5, 2013 Share Posted March 5, 2013 Yes, I agree, it is the reverse lockout switch. Does it look like the one here? Overdrive - Overdrive Reverse Lockout Rail Switch Fits 46-55 Station Wagon, Jeepster with Planar SuspensionYou're sure that that overdrive is working as it should? You can go in and out of overdrive, and lock it out? I believe this switch prevents the accidental lock-up of the overdrive if you accidentally shift into reverse when the overdrive is enabled (OD knob is pushed in). Possibly you have never attempted to reverse under those conditions, so you've never discovered the consequences that this switch was designed to prevent! Link to comment Share on other sites More sharing options...
dl456 Posted March 5, 2013 Share Posted March 5, 2013 (edited) Jon is correct about reversing in OD. Not a good thing at all.These switches were typically wired in series with the governor and provided the ground to the OD relay. All conditions must be met or OD would not engage regardless of cable position.A relatively simple harness. I would definitely correct this.Do you know what model OD? I may have wiring diagrams.DennisMy first car was a 52 Hornet. Sure would like to find another. Edited March 5, 2013 by Dennis Long add comment (see edit history) Link to comment Share on other sites More sharing options...
Jon37 Posted March 5, 2013 Share Posted March 5, 2013 If you have further Hudson questions you might want to post them (besides here) over at the Hudson club's forum, at Hudson Discussions on Classic Car Forum Link to comment Share on other sites More sharing options...
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