Automatic shifer install

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ICT240sx
Posts: 4
Joined: Wed Apr 28, 2004 6:04 pm

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My 89 240 has overdrive on the shifter, if i replace the shifter does it have to have an overdrive button on it, and will anything happen if i replace the shifter w. one that dosnt have this button.


1TuffRS
Posts: 32
Joined: Tue Oct 21, 2003 4:01 am

Post

most of the ones that do not have an overdrive button are for cars were the knob just screws off. From what Ive seen your going to need one with an overdrive function in order for it to even go on the car.

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onosqv
Posts: 5675
Joined: Wed Aug 07, 2002 12:32 pm
Car: '92 240sx Vert
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I've done it on my car and it is actually rather easy.

2 options:

1) buy an automatic shifter knob - I know razo makes a nice one, I have a knock off version of that. These usually go for around 70-100. They include the overdrive button. I personally don't like the buttons cuz you can accidently press it when shifting from park to drive. I plan on rerouting the button to a control panel.- one thing to note: make sure your knob comes w/ an "extender" plastic piece that can be cut to fit the system. I know that the manual looky shift knobs were not long enuf to fit the entire length of my shifter. The one I bought came w/ an extension piece which I was able to cut and fit pretty good.

2) get a shifter knob with the overdrive button and reroute the overdrive to a switch or button. If you take apart your center console and the parking/reverse/drive display panel, you can see that there are two wires going into the knob. You just have to hook that up to a switch that "opens and closes" that connection.

hope that helps.


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