Hi got me problem I can not figure out. Here is what it does and what i have tried.
The 450es sat up for several years. I traded for it and cleaned the carburetor, got it started and run it around the yard with no problems shifting up or down. I noticed the speedometer registered 0 speed all the time and that it showed what gear it was in. I went out on our country road to test it out and the gear indicator went to — when I shifted to forth gear. so I checked on line for possible solutions and found out about the angle sensor and speed sensor. So I decided to check them out so since the speedometer read 0 all time i checked the speed sensor first. It checked 5 volts steady between green wire an r/g did not go down to 0 like the video I saw said it was supposed to when the shaft is turned. Between black and green got 12v. I went to salvage yard and guy took one off of a working machine said he had more of them in the yard but did not have time to go out and get it. I put it on and being a electronic tech by trade I check this one before completely installing it gave same reading 5v and not dropping when shaft turned. I went ahead and installed it thinking maybe my old bench volt meter (Analog type) might be lying to me. I know this meter puts more of a load on the circuit being tested. So i test 450 out again this time it ran and shifted out to 5th gear but would not downshift. Battery was low found loose cable(original battery charged up and starts engine but think it is weak). But I had to use the manual shift to get it back in neutral. Speedometer still reads 0. Can’t get another speed sensor till after the 2nd.
Has anyone had a problem with sensor not reading correct because of the CPU on display or the shifter control unit?
The 450es sat up for several years. I traded for it and cleaned the carburetor, got it started and run it around the yard with no problems shifting up or down. I noticed the speedometer registered 0 speed all the time and that it showed what gear it was in. I went out on our country road to test it out and the gear indicator went to — when I shifted to forth gear. so I checked on line for possible solutions and found out about the angle sensor and speed sensor. So I decided to check them out so since the speedometer read 0 all time i checked the speed sensor first. It checked 5 volts steady between green wire an r/g did not go down to 0 like the video I saw said it was supposed to when the shaft is turned. Between black and green got 12v. I went to salvage yard and guy took one off of a working machine said he had more of them in the yard but did not have time to go out and get it. I put it on and being a electronic tech by trade I check this one before completely installing it gave same reading 5v and not dropping when shaft turned. I went ahead and installed it thinking maybe my old bench volt meter (Analog type) might be lying to me. I know this meter puts more of a load on the circuit being tested. So i test 450 out again this time it ran and shifted out to 5th gear but would not downshift. Battery was low found loose cable(original battery charged up and starts engine but think it is weak). But I had to use the manual shift to get it back in neutral. Speedometer still reads 0. Can’t get another speed sensor till after the 2nd.
Has anyone had a problem with sensor not reading correct because of the CPU on display or the shifter control unit?
Curtis
