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ed_ma61
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icon4.gif  need ma61 wiring diagrams... Sat, 04 October 2003 10:03 Go to next message
am trying to get me hands on AUST spec MA61 supra wiring diagrams... i am sick to death of trying to figure shit out from the US 5m-ge versions. if anyone has plug details, that would be greta too...

also, if anyone also has any details on the plugs in the early ma70 supras (7mge non turbo) - specifically the three plugs joining the engine loom to the chasis loom, that would be great Nod

cheers
ed

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sideshow
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:07 Go to previous messageGo to next message
y do u need diagrams

have u got the original looms
just trace them see where they go
theres not much to the old cars
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ed_ma61
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:19 Go to previous messageGo to next message
cause im an electrical gumby and need help Rolling Eyes

am putting an early model (86-88) NA 7mge into the ma61 and am trying to figure out how to wire it up. its probably not that difficult, but im just trying to get my head around things.

like the power to the 7mge ecu needs a continuous BATT source, as well as the switched B and B+, and the starter (from memory - dont quote me!)

the 5me doesnt quite seem to use the same power supply at all (ie no BATT, and the switch power seems different)

ive also got to figure out which 'main relay' the diags talk about, the ma61 seems to have two in the engine bay junction box: 'efi main relay', and 'main relay' ... which one does what etc etc...

on top of all that, there are 3 decent sized plugs that mate the 7m engine loom to the chasis loom, the 5m has 1 8pin plug - somehow, ive gotta figure out what bits of the 7m plugs go into the 5m plug (ie tach, water temp, oil pressure (as opposed to oil pressure switch?? wtf?!)

eugh ... i hate wiring...

fwiw - i have a complete 7m engine loom in front of me, a complete 5me engine loom, the plugs from an ma61 chasis that mate to the 5me engine loom, plus a circuit opening relay and wires from an ma61
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sideshow
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:22 Go to previous messageGo to next message
yes the 7m has heaps more crap than the 5m

beware i have come acrosss probs when i did a 7mgte in an early supra

they dont have a fuel circuit relay and shit like that

i had to add one in
and i also had probs with voltage to the fuel pump bveing abit low


the car is old and the wiring sometimes ends up havin voltage drops which can affect performance

i ended up puttin relay for ecu and relay for fuel pump and also a circuit opening relay

y would u waste money on a 7m better of with a 7mgte

on cars without proper relays and shit i make this small unit with the relays taped together
then u have to supplky batt power
and u have power to ecu power to fuel pump
its pretty basic

atleast that way its how the 7m is wired up from factory

[Updated on: Sat, 04 October 2003 10:24]

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sideshow
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:26 Go to previous messageGo to next message
if u know how to use a multi meter then u can figure out the oil temp tacho
dont be lazy

theres diagrams for the plugs u want are hard to find
the ecu plugs are easy
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ed_ma61
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:30 Go to previous messageGo to next message
sideshow wrote on Sat, 04 October 2003 20:22

y would u waste money on a 7m better of with a 7mgte


not this little black duck Very Happy

im trying to do this without having to pull the car apart just yet, thats all, and it would be good to be able to make up sub harnesses making installation a little easier than splicing.

i was thinking something along the lines of my own little relay black box to power things, but was wondering if this was avaiodable...

im not lazy Razz im just learning Smile

cheers mate
ed
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BlackSupra
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:31 Go to previous messageGo to next message
use a multimeter Laughing

I can tell you that toyota has contradicted themselves in the pinouts on the ma61 diagram i have.

The dash stuff is really easy! once you know where it all goes (after much screwing around behind the dash)

Tacho wire - Black with red dot.
Water temp - Yellow with thin green line and brown dot.

Thats what it is on my one any way.

Quote:

y would u waste money on a 7m better of with a 7mgte

Laughing
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sideshow
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:34 Go to previous messageGo to next message
well u can pay me to wire it all up for ya heheh

i sort of know most the wires by their colours these days
i use all original wires so it looks standard
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BlackSupra
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:35 Go to previous messageGo to next message
Oh and email 'Andy' spud3861@yahoo.com

he had a webpage that was a tutrial for installing a 7mgte but it seems to have dissapeared!! Find out where it is, also expalins the fuel pump issues.
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ed_ma61
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:36 Go to previous messageGo to next message
BlackSupra wrote on Sat, 04 October 2003 20:31


Quote:

y would u waste money on a 7m better of with a 7mgte

Laughing


hey, screw you GEE-EEE boy!!!!!!

dont make my 7m come and kick your ass Laughing
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BlackSupra
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:38 Go to previous messageGo to next message
Dont make me crack the head Cool
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sideshow
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:39 Go to previous messageGo to next message
hehe
im to old for havin fast cars these days
i just work on them
but when my 1uz goes in my hilux i would gladly love to
put it next to yr 7m

ill even turn my traction control off so i can pass u while wheel spinning

anyway im off to get my next burbon n coke

cant waste a sat night on here
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ed_ma61
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:40 Go to previous messageGo to next message
sideshow - thanks Smile unfortunately along with not being lazy, am also not rich... ok, so itll drive me mad, but it cant be 'that' hard...

and fwiw - heres andy's site (one of more visited bookmarks)

(im not sure the fuel pump resistor/relay needs to stay either)

http://andy.supras.org.nz/Wiring_files/mk3%20wirin g_files/mk3%20wiring.htm
http://andy.supras.org.nz/Wiring_files/mk2%20wirin g_files/mk2%20wiring.htm
http://andy.supras.org.nz/Wiring_files/84%20to%208 7_files/84%20to%2087.htm
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ed_ma61
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:44 Go to previous messageGo to next message
sideshow wrote on Sat, 04 October 2003 20:39


but when my 1uz goes in my hilux i would gladly love to
put it next to yr 7mill even turn my traction control off so i can pass u while wheel spinning


sorry sideshow, that crack was aimed squarely at glen, not you. though, it you want to line up the 1uz, id be happy to give it a run...

(cant wait to finish this damn engine, one of these days alice, one of these days....to the MOON!)
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BlackSupra
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 10:57 Go to previous messageGo to next message
Quote:

cant wait to finish this damn engine


Can't wait to see the mythical creature...... Rolling Eyes

22nd october eastern creek Wink
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sideshow
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Re: need ma61 wiring diagrams... Sat, 04 October 2003 11:03 Go to previous messageGo to next message
hehe
well these days i dont bother goin to the creek anymore

i used to have a datsun 1600 with a half descent fj20t about
6 yrs ago when the drags werent so busy

i wasted alot of money back then
these days im abit wiser and have a business to concentrate on

i just hate when people say things like
i know this engine with twin turbos etc etc
goin cheap

would be nice to have a fast car again but i have to say no

just dont want to get into spending money on fast cars again
i grew up on working on rally cars so i am the type to spend money on only the good gear or nothing else so it gets expensive

for now i will stick to fitting a 1uzfe to my hilux mainly for better fuel economy hehe
the carby 22r drinks more than me on a sat night up the tav
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ed_ma61
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Re: need ma61 wiring diagrams... Mon, 06 October 2003 11:34 Go to previous messageGo to next message
anyone?
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mrsmart
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October 2002
Re: need ma61 wiring diagrams... Mon, 06 October 2003 11:43 Go to previous messageGo to next message
Ed,

I have access to a wiring diagram for all electrical systems in the ma61.

gimme time -til the weekend- and I shall attempt to rustle the diagrams up.

Ryan
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ed_ma61
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Re: need ma61 wiring diagrams... Mon, 06 October 2003 12:07 Go to previous message
awesome, thanks

no rush, my head just fell of the frickin workstand and smashed a few bits (inc new dizzy), so ive got a bit more bloody mechanical work to do before the wiring now....
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