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Discussion Starter · #1 ·
i have a 1990 corolla.
we swapped the regular auto trans w/ one that
had OVERDRIVE and i was trying to do the wiring
so that i can activate the on/off switch.

does anyone have any idea on how and where
the wires for this would lead to???

your input would be greatly appreciated.




.......feel sad... my turbo camry got t-boned on driver's side
by a big SEMI truck!!!!
 

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So you were able to swap out the stock 3spd for one with an overdrive? Was it a direct replacement? Is yours FI or Carb?

I'm interesed in upgrading the trans. on my 88 corolla and would like to know how to wire up the OD as well.
 

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Discussion Starter · #4 ·
dx-r.... yes, it is a direct bolt on.. if you have
a 4AF on your 88.

if it's a different series engine, it won't.

the overdrive is default to work mechanically EVEN without the computer.

my corolla is FI, not carb. but anyway, it will still work.
what the switch does is that when it's activated, then it
turns OFF the OD (downshifting). it's just nice to have
the switch for individual control.
otherwise, when you step on the trottle, it downshifts
automatically.
 

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Corolla AE101
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92 Posts
turbocamry said:
dx-r.... yes, it is a direct bolt on.. if you have
a 4AF on your 88.

if it's a different series engine, it won't.

the overdrive is default to work mechanically EVEN without the computer.

my corolla is FI, not carb. but anyway, it will still work.
what the switch does is that when it's activated, then it
turns OFF the OD (downshifting). it's just nice to have
the switch for individual control.
otherwise, when you step on the trottle, it downshifts
automatically.

You are rite my friend...
But it is better to control it with your feet...
All i know is if you switch the OD off you won engage into 4th gear...
It doesn't change the gear into 2nd... it will only go to 3rd which we don't have the control at the 'GearStick'
Am i correct??? Anyone have ideas...
 

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Corolla AE101
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well sometimes i don't want to turn on the 4th gear coz slow moving trafic...
If you engage with the 4th gear you will comsume more gas to get the vehical moving
 
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