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-   -   How to do the grounds on db37 (https://www.miataturbo.net/megasquirt-18/how-do-grounds-db37-25371/)

Zaphod 08-27-2008 04:10 AM

How to do the grounds on db37
 
Hi,

I have seen a picture here before, where the grounds for the db37 were wired all togehter with a kind of "clamp" - at the moment I am not able to find this pic anymore (I think it was a pic Braineack made).

How did you do the ground wiring? All the wiring to the main ground point on the car or also to the OEM ECU grounds? With a "clamp" on the DB37 or all wired with a single wire?
Pics would be great.

Thanks

Matt Cramer 08-27-2008 08:37 AM

It's best to ground the DB37 ground wires to the engine block using multiple ground wires.

Braineack 08-27-2008 08:49 AM

You could probably check out the build you own megasquirt write-up...that's where I would look.

Zaphod 08-27-2008 01:46 PM

Well, that was were I was looking, but most of the pictures weren't there anymore.

Greets

Braineack 08-27-2008 01:54 PM

1 Attachment(s)
aw....my bandwidth has been exceeded!!!!! first time in over a year...ive never come close before...i wonder why, and of course i cant log into my cpanel to see.

Braineack 08-27-2008 01:56 PM

technically you can run grounds for 7 - 19.

Zaphod 08-27-2008 02:18 PM

Thanks Braineack,

I was looking for the pic with a kind of big wire lead running over all the pins on the DB37 to one big ground wire...

But maybe I just wire the 2x3 wires together to one big ground wire for each of the 3 wires.

Greets

Braineack 08-27-2008 02:38 PM

1 Attachment(s)
I take the 14g wire provided in the wire kit, and split the copper strands to make three points, like a trident. Stick each into 7 - 8 - 9 , then solder it all making one big blob.


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