Re: (ET) Tractor back up, now to figure out the high speeds....

[Nick Skinner <kc2dzb nycap rr com>]

On my E20AA, there are only 4 speeds in reverse. I would have to look at the schematics, but I'm pretty sure that the second set of contacts on the reverse switch defeat the field weakening. That should be verified with the schematic.

Pushing the pedal into speed 5 should disable cruise control. I think CC is disabled in reverse, but I'm not 100% sure.

I'm not with my tractor at the moment, but I can check on this all later this evening. 

Nick

-------- Original message --------

From: CZ

Date:06/14/2015 8:07 PM (GMT-05:00)

To: elec-trak cosmos phy tufts edu

Subject: Re: (ET) Tractor back up, now to figure out the high speeds....

Well that's interesting: With the lines to card 4 17 and 19 reversed (I 
can't quite tell which one goes where) the tractor gains speed 5 (6,7,8 
are still down), the reversing light is still always on, etc. Note speed 
5 now works in forward or reverse.

Question: Can someone with an E20 AA fire it up, put it in neutral, and 
try the speeds in forward and reverse? Specifically can someone tell me 
if speed 5 is there in reverse?

There is however one slight oddity: When I am in speed 4 and engage 
cruise it engages no problem. With the wires the other way, when I went 
to speed 5 (which didn't work anyway) cruise would drop out. Thus I 
could "blip" the pedal to drop it out of cruise while driving.

With the wires the way the are now, when I go to speed 5-8 and 
immediately drop the pedal cruise does *not* cut out. I need to hold it 
in speed 5 or better for 2 seconds or so, then cruise drops out. Odd again.

Question: Can someone with an E20AA/BA fire it up in neutral, go to 
speed 4, engage cruise control, verify it's locked in, then tell me if 
going to speed 5 quickly then to foot off pedal drops you out of CC?

Thanks!
Chris


There

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