MSD Tech Support Forums - 7220 with one system

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flight71

10-09-2012 12:19 PM

7220 with one system

Looking for a diagram using 7220 ignition box, 8982 start/retard controller to retard the timing for the nos and the start retard, a 8950 RAS, 8737 3step, and 2 8961 relays. I am wanting to turn the nos solonoids on and retard the timing, at the release of the trans-brake button. Any help greatly appreciated!

msdtech1955

10-10-2012 07:52 AM

dang 180 views in one night !

msdtech1955

10-10-2012 07:53 AM

3 Attachment(s)

here you go.
Attachment 2481

Attachment 2482

Attachment 2483

flight71

10-10-2012 08:54 PM

Thanks, you guys make it look easy!

flight71

10-11-2012 12:06 AM

The 2nd diagram shows another micro switch.....so I'm gonna need 2 wot switches? Also in that diagram there's a small item in upper left part of the diagram...what is it? The picture is very small & don't see a part # or item description. Thanks again!

msdtech1955

10-11-2012 06:56 AM

Quote:

The 2nd diagram shows another micro switch.....so I'm gonna need 2 wot switches?

no,that was a general drawing of a 3-step

Quote:

Also in that diagram there's a small item in upper left part of the diagram...what is it? The picture is very small & don't see a part # or item description. Thanks again!

post a email address.

flight71

10-11-2012 08:16 AM

Mortonmudracing@yahoo.com

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