Tech query... Wiring for switched 12v & earth on ECM

Started by Wabbitkilla, June 2, 2007, 10:41

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Wabbitkilla

June 2, 2007, 10:41 Last Edit: January 1, 1970, 01:00 by Wabbitkilla
Looking to power my innovate from the boomslang harness.

What i need to know is which are the best places to get a switched 12v and an earth from.

The ECM terminals page suggests E2-16 for switched power and E4-17

Anyone got any better advice / information?
Cute & fluffy animals were definitely hurt during the production of this post, there're plenty more where they came from
Aztec Bronze S2 Elise 111S
Campovolo Grey Abarth 595 Competizione

spit

#1
June 2, 2007, 11:07 Last Edit: January 1, 1970, 01:00 by spit
Them's the ones ... E4-17 is the common ground for the car's many sensors. As an alternative you can solder on a ring/spade connector and clamp it at an ECU chassis mounting point (you'll need Russ's torx bit for that  s:wink: :wink: s:wink:  ).

Although E2-16 is a switched 12V, I've noticed that the WB warm-up cycle freezes when you start the car (but power isn't cut). An irritation but no biggie. Haven't found a workaround to that.

We took Kris's LC1 power & earth from the dashboard and it works fine ... but if you're planning to use the WB analogs its best to earth at pin 17.
1999 MR-S with added C2 POWΣR

Humbled recipient of the Perry Byrnes memorial trophy (2007 & 2011)

Wabbitkilla

#2
June 2, 2007, 11:14 Last Edit: January 1, 1970, 01:00 by Wabbitkilla
Cheers mate.

Will be wiring and fusing a remote connector so the innovate can be unplugged if need be. I just wish my "Option" harnesses were here then i could be done and finished.

Have a goodun
Cute & fluffy animals were definitely hurt during the production of this post, there're plenty more where they came from
Aztec Bronze S2 Elise 111S
Campovolo Grey Abarth 595 Competizione
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