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Old 05-02-2009, 05:39 PM   #1
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Default Wiring and ECU wanted 99/00

Looking for an ECU and some harness pieces for a 99-00...doing an auto to manual conversion....pedals too...
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Old 05-02-2009, 05:39 PM   #2
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oops, feel free to move to WTB section...
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Old 05-02-2009, 05:58 PM   #3
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Done a conversion on a '90 model.
We left the ecu in place. Searched the reverse wires b4 taking out the gearbox.
You also need the P interlock switch: (you can only start an automatic in P, so the wires must be connected to each other)

You need:
gearbox All years
Brace (automatic is shorter) All years
driveshaft all years 1.8
Complete clutch including all hydrolics (all years should do, 1.8)
Clutch pedal (all years should do)
We cut the oem automatic brake pedal so it would fit a manual rubber cover
There is also a cable connected to the P that will not allow you to remove the keys when the car in not in P
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Old 05-02-2009, 06:01 PM   #4
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Quote:
Originally Posted by greddymx5 View Post
Done a conversion on a '90 model.
We left the ecu in place. Searched the reverse wires b4 taking out the gearbox.
You also need the P interlock switch: (you can only start an automatic in P, so the wires must be connected to each other)

You need:
gearbox All years
Brace (automatic is shorter) All years
driveshaft all years 1.8
Complete clutch including all hydrolics (all years should do, 1.8)
Clutch pedal (all years should do)
We cut the oem automatic brake pedal so it would fit a manual rubber cover
There is also a cable connected to the P that will not allow you to remove the keys when the car in not in P
Not sure on newer models, but it beats working with wires your not going to use.
Took 2 people 1 day work... Not as easy as repearing a clutch.

Good luck
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Old 05-02-2009, 06:04 PM   #5
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I have an ECU for a 99/00 Manual Non-Cali Miata. PM Me if you are interested.
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Old 05-02-2009, 06:14 PM   #6
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I just wrapped up the auto removal and MSM 6 speed into my 99 a few weeks ago.

Check with Tom at The Partsgroup - Mazda Miata & RX8 Used Parts for the pedals. They are a major pain in the *** to swap... you will have to pull the steering column out to get the brake/ gas to go out and then back in. You also may have to remove your auto pedals then take off the brake pedal and swap in the manual one bc there is an extra throttle cable there on the auto pedals that is not on the manual ones. I think it was for cruise control.

For the ignition interlock, just cut 1 of the 2 black wires going to the solenoid.

As for the ECU, you can skip the purchase of another ECU if you want... all you have to do is modify your range position switch to allow your car to start and also to get your reverse lights.

Good luck with the swap. It surely was not easy but sooo damn worth it.

Cheers,
Prospero
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Old 05-02-2009, 09:29 PM   #7
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This makes me want to pass up the car all together. It would be a good price...but I didn't even think about brace and driveshaft. And I have heard the pedal swap is a bitch.
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Old 05-04-2009, 11:19 AM   #8
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Quote:
Originally Posted by rlogan View Post
This makes me want to pass up the car all together. It would be a good price...but I didn't even think about brace and driveshaft. And I have heard the pedal swap is a bitch.
Yep, I surely was not the easiest swap.... but for me it was worth it since the car was a my test mule and earned the right to become a fun DD.

Let me know if you do the swap and I'll help you online if you need it.

Cheers,
Prospero
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Old 05-04-2009, 12:02 PM   #9
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I have a 5 speed pedal set from a 2000, what other pieces do you need?
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Old 05-04-2009, 02:54 PM   #10
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Thanks Prospero! Will be in touch...it's a good looking car and I got a great price on it so I will be doing the swap.

The one thing I am concerned about is whether it has a torsen? If it's an auto seems silly to put a torsen in it. If it indeed doesn't, it's not turning out to be such a great deal after all. I may just flip it. I need to call mazda with the vin and find out.

harley butter, I'll let you know...for sure the master cylinder and hydraulic components...I need the driveshaft/brace but I'll probably find that locally to save shipping
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