Yendor Posted May 16, 2013 Share Posted May 16, 2013 I have no problems with the transmission, but I have no overdrive. Since it's an electronic overdrive, i thought some of the wiring is shot somewhere. But where do I look? I still have to check if the trans. is throwing any codes though. Link to comment Share on other sites More sharing options...
Slartibartfast Posted May 16, 2013 Share Posted May 16, 2013 Just to get the stupid stuff out of the way: OD (on the shifter) is turned on? The 'OD off' on the dash isn't lit? Has it always done this? I looked through the FSM, looks like page AT-62 is what you're after. Link to comment Share on other sites More sharing options...
Bluewulf73 Posted May 16, 2013 Share Posted May 16, 2013 (edited) Assuming you've made sure there are no codes, you are sure the lightbulb is not just burn out, and the transmission does not, in fact go into OD, you might want read below. I don't think there are any fuses for this...might be worth a check though. Mine went so I had to take the shifter assembly apart. Wire disconnected there. It is a tiny wire running up the shifter. I guess 15 years of shifting were enough for that tiny little thing. Find the interior section in the FSM and figure out how to disassemble the centre console. If theWD21's are the same as the R50s in this regard, you should see a little wire running up to the shifter column then up the shifter. In mine, it came undone right at the button. I am guessing the same could happen to yours; either came undone right at the button, or at the base. Sorry I couldn't be of more help. I am not familiar with the WD21's. Edited May 16, 2013 by Bluewulf73 1 Link to comment Share on other sites More sharing options...
crazyhayseed Posted May 16, 2013 Share Posted May 16, 2013 Yep. That's how mine started. "OD" was goofing when I bought it. 2 weeks later I lost 3rd completely.I proceeded to drive the truck daily on 2 gears for the next 4.5 years before it finally gave out (a few weeks ago).Fun fact: 3500 RPM in 2nd gear equates to about 60 MPH on a level road. Push it past that and you'll never pass a gas station. Link to comment Share on other sites More sharing options...
Leo94 Posted May 16, 2013 Share Posted May 16, 2013 Isn't it 4 gears? 4th being overdrive? Link to comment Share on other sites More sharing options...
Inyourface1650 Posted May 17, 2013 Share Posted May 17, 2013 Isn't it 4 gears? 4th being overdrive? in the olden days it would have been considered a 3speed with overdrive. the earlier models just had a 3 speed (without overdrive). Link to comment Share on other sites More sharing options...
crazyhayseed Posted May 17, 2013 Share Posted May 17, 2013 The FSM mentions D3 and D4, but if you can find an actual gear in there, you're a better man than I.I pretty sure automatic transmissions are assembled and operated using black magic.I'm willing to bet that if you take it apart, you'll only find a red candle floating in the center with a wick on either end... The length of the wick determines how much longer your tranny will work. 1 Link to comment Share on other sites More sharing options...
Precise1 Posted May 17, 2013 Share Posted May 17, 2013 *agrees* B Link to comment Share on other sites More sharing options...
bushnut Posted May 18, 2013 Share Posted May 18, 2013 most everything can be explained by either science or magic. sometimes you science something other times you magic it. Link to comment Share on other sites More sharing options...
Slartibartfast Posted May 18, 2013 Share Posted May 18, 2013 Magic = Big F#&king Hammer in case anyone was wondering. Link to comment Share on other sites More sharing options...
Yendor Posted May 19, 2013 Author Share Posted May 19, 2013 Assuming you've made sure there are no codes, you are sure the lightbulb is not just burn out, and the transmission does not, in fact go into OD, you might want read below. I don't think there are any fuses for this...might be worth a check though. Mine went so I had to take the shifter assembly apart. Wire disconnected there. It is a tiny wire running up the shifter. I guess 15 years of shifting were enough for that tiny little thing. Find the interior section in the FSM and figure out how to disassemble the centre console. If theWD21's are the same as the R50s in this regard, you should see a little wire running up to the shifter column then up the shifter. In mine, it came undone right at the button. I am guessing the same could happen to yours; either came undone right at the button, or at the base. Sorry I couldn't be of more help. I am not familiar with the WD21's. Still haven't had the time to check for any codes. I'll have to take a look at this, as I dissasembled my center console sometime ago. Thanks for the headsup. Link to comment Share on other sites More sharing options...
Yendor Posted May 19, 2013 Author Share Posted May 19, 2013 Just to get the stupid stuff out of the way: OD (on the shifter) is turned on? The 'OD off' on the dash isn't lit? Has it always done this? I looked through the FSM, looks like page AT-62 is what you're after. Yes, it's not the bulb. It hasn't always done this. And thanks for the page reference. Link to comment Share on other sites More sharing options...
Alkorahil Posted May 20, 2013 Share Posted May 20, 2013 in the olden days it would have been considered a 3speed with overdrive. the earlier models just had a 3 speed (without overdrive). Yes, that how they were presented in Yon Olde Days. Link to comment Share on other sites More sharing options...
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