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Tyson Baldrey
Newbie
AB
MZ21 1JZ

Posts: 2
Reg: 05-2007

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Friday, May 11, 2007 - 02:04 pm, by:  Tyson Baldrey (Mini_me1209) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

We're just finishing up the swap but have run into a snag with the digital dash. The shops wiring guru is having a hell of a time trying to get it wired up properly. Does anybody have any diagrams/advise/explanations on how to wire up the digital dash in a 1989 mz21 to a jza70 auto ecu? Any help is greatly appreciated!
Andrew Ferres
DieHard
WA
'86 Cressida V8, '84 Soarer V8, '90 C-F Celsior V8

Posts: 655
Reg: 07-2005

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Friday, May 11, 2007 - 04:36 pm, by:  Andrew Ferres (Peewee) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

The BEST thing you can do, it get hold of the old 7M loom, and trace the required wires.

You'll need tacho (from ignitor), temp guage, maybe speedo (not sure if thats body loom or not).

If it was a 7MGE before, you will need a tacho booster, if it was 7MGTE, you'll be fine.


I'm not sure if the PRND21 wires are easy to find, or even if even want them.

O/D light, Oil light, and CEL should be easy to find.


If you can get the old loom you'll have it knocked off in a couple of hours.
Christopher Stevens
Tinkerer
WA
JZZ20 Soarer TT / SW20 MR2

Posts: 15
Reg: 04-2007

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Tuesday, May 22, 2007 - 09:01 pm, by:  Christopher Stevens (Hamgatan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

i have the z20 dash wiring sheet somewhere let me dig it up and ill post it when i find it.

oh and peewee, there were no 7MGE Z20's.. :-)
Eldar Okanovic
Newbie
Western Australia
Supra TT

Posts: 1
Reg: 04-2007

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Wednesday, June 06, 2007 - 07:11 pm, by:  Eldar Okanovic (Eldaro) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

easiest thing to do, is and i must emphasize, this ONLY works for the dash!!!

the best thing to do is just hook up the same colored wires.

and ground all the brown wires

toyota have been using the same color wiring for their cars for years now, and it makes it very easy :-)
Jerzy Stopczynski
Tinkerer
Westarn Australia
Gz 10 Soarer, ma70 Supra

Posts: 73
Reg: 12-2006

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Monday, June 11, 2007 - 01:41 pm, by:  Jerzy Stopczynski (Stomps) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

welcome Eldar, bout time you got on here...

Stomps
Terry Kilpatrick
Newbie
victoria
mz21 soarer

Posts: 1
Reg: 08-2007

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Wednesday, August 15, 2007 - 05:56 pm, by:  Terry Kilpatrick (Terry_kilpatrick) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

g'day i have a MZ21 with the 7m-gte engine and i have just brought a 1jz halfcut. the half cut has not arrived yet but i am fairly sure it is from a soarer and not a supra. i am worried about the wiring and would really appreciate if someone could help me out or even send me a email with wiring diagrams etc for the conversion. will post pics of my soarer soon. cheers. Terry
Christopher Stevens
Tinkerer
WA
JZZ20 Soarer TT / SW20 MR2

Posts: 19
Reg: 04-2007

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Thursday, August 16, 2007 - 12:03 am, by:  Christopher Stevens (Hamgatan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

replied your email

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