Re: (ET) I5 reverse only, no forward

["Clean Power Supply - Harold Zimmerman" <cleanpower mailbug com>]

 Did you replace the forward/reverse toggle switch?

On June 18, 2021 at 3:37pm -0400, Charlie <medievalist gmail com> wrote:

>Hi All
>
>  I've had an intermittent problem with the I5 for about five years
>now.  I've got the very last version of the electronics, no edge
>connectors, no transistors.
>
>  To try to solve it, one by one I have replaced all the contactors
>(yes, ALL of them) and rebuilt all the open frame relays.  Each time I
>replaced something, it would start working perfectly... for a little
>while, but then it would start acting up again a few weeks later.
>
>  Basically, when I go into reverse, sometimes it won't go forwards
>again.  I can pound on various parts of the tractor, or switch it back
>into reverse a few times, and sometimes the problem goes away.
>Sometimes it does not go away until I replace a contactor or a relay
>or something, then it'll work for a while.
>
>  It's occasionally been stuck in reverse for a week or two, and I've
>had to cut an acre of grass in reverse...  not much fun with a foot
>throttle and a front deck.
>
>  Do any of you have any suggestions for where to look next?  I
>cleaned and tightened up the big molex connectors already (and that
>fixed it for almost a week).
>
>--Charlie
>1973 GE I5 Elec-trak
>
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>Elec-trak cosmos phy tufts edu
>https://cosmos.phy.tufts.edu/mailman/listinfo/elec-trak

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