Posted by davidroller on October 01, 2022 at 18:54:02 from (68.45.142.231):
Hello, I just purchased this tractor and I would appreciate any assistance on the 3 issues I have on this tractor. Probably all related.
Tractor runs on ( diesels ), when key is turned off. ( PROBLEM # 1 )
* I believe it to be electrical. I have adjusted timing both advanced and retarded with no change to the problem. So set properly
* new factory dash harness installed. These function as they should ( lights, dash lights, fuel gauge, temp gauge, oil light )
* Has a one wire alternator ( only wire on it was connected from ALTERNATOR BATT to BATTERY wire ) GEN light bulb removed
* I assumed this was the issue, so I connected alternator output #2 ( side plug ) to alternator BATT output with the wire to BATT
* I then ran the alternator output #1 ( side plug ) to one side of GEN light, other side connected to IGNITION on Fuel/Temp gauge
* diode was installed on this output #1 wire
* GEN light now works properly, but will not shut of with KEY switch ( PROBLEM # 2 )
* when output wire #1 totally disconnect, GEN light is obviously dead, but no effect on problem ( run on / dieseling )
* When engine running, system is charging at 14.4 vdc
* All other wiring is I believe factory
* When the key is turned off, starting button voltage drops to 2.4 - 3.5 vdc ( best my Fluke meter can read ) engine knocks / sputters
* I feel like I have not isolated the feedback voltage
NOTE - If engine is cold ( started cold and ran for just a few minutes, before water temp comes up ) it shuts right off ???
PROBLEM # 3 - when lights are turned on, they all work, pulling around 5.5 - 6.8 amps ( read with Fluke clamp on meter ), but the resistor on the light switch gets very hot. Smoked some at first as it burnt off factory coating. ( purchased as a direct IH part from Steiner ). IS THIS NORMAL ?
* Additionally, the input BATTERY amperage to the light switch reads NEGATIVE amps??? LIGHT wires read POSITIVE amps on same Clamp on Fluke meter.
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