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OD prep questions 120-130

Duane
I wasn't clear enough in explaining what I meant by "He doesn't want the "drops out of OD when downshifting out of 4th" option."

I ALWAYS install a 4th gear lockout switch in the trans cover with an OD installation.

What I was referring to was a modification someone posted a while back, wherein, with the addition of a second relay, every time you downshift out of 4th (when OD is engaged), OD is automatically disengaged - power is cut to the circuit, and must be reactivated the next 4th is engaged, so that if you forget to switch OD off before shifting up through the gears the next time, you don't shift from third straight into OD. (An example of when I have done this is when slowing down coming to a toll booth, decelerating fast enough that while still in 4th/OD, I downshift into 3rd, then 2nd, etc., stop pay toll and then shift up through the gears, and when I get into 4th, because I hadn't disengaged OD, instead of going into 4th, I find myself in OD. Has this never happened to anyone else? Is that clearer?

You say: "There are D's and J's that use no relay. There are D's and J's that use relays. And the relays used can be different in function."

A brief explanation of this statement would be helpful.

So as I understand this, with say, a toggle switch on the dash, one wouldn't need to use a relay. Switch on - (and trans in 4th), solenoid engages and OD functions.
With a momentary switch - either a button on the dash, OR the stock (right side of column stalk) lever, OR using the pull function on the turn signal indicator, one needs to use a relay.

What I deduce from this is that when using the turn signal stalk, a relay must be used, and so I will.

I know there are a lot of ways to skin this cat - I've come to using the turn signal pull function on 3 cars for myself and for three other people. My first OD was on a B18 in a 444 (with no turn signal pull function on that model) and so I had a momentary button and the indicator light mounted on a small bracket under the center of the dash. I found it awkward to use my right hand to both shift gears and go back and forth to the button (and presumed I would feel the same way about the correct stock lever on the right side of the steering wheel). When I installed the OD in the first 122 I had, I went to the turn signal because I liked being able to steer and get in and out of OD with my left hand while shifting with my right - it's easier and a more fluid shifting experience, for me. I recommend that anyone who who has the wiring in place (gray wire under the hood in bundle on driver's side) try it, or at least don't knock it until you've tried it.

I welcome others' feelings about this.

And last, Duane what about the cable issue? Can you use the stock cable with a right angle speedo takeoff?






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