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Re: OD Wiring

To: MG Nuts <>
Subject: Re: OD Wiring
From: Skye Poier <>
Date: Tue, 21 Mar 2000 16:08:00 -0800
Word on the street is that Max Heim said:
> I have the plain (not crooked) toggle switch on the dash (the crooked one 
> cost 3X as much). It is wired in-line with the lockout switch, or, more 
> precisely, I ran a wire from the ignition-on fuse to the dash switch, 
> then to the lockout switch, and from there to the solenoid. 

Interesting... OK, just to confirm, wire from:

ign-on -> dash switch -> lockout switch in trans -> solenoid -> ground

Should i hook up to white (ign-on unfused) or green (ign-on fused) ?

> This gives 
> you the following switch conditions:
> Dash switch ON; Trans in 4 = OD ON 
> Dash switch ON; trans in R, 1, 2, or 3 = OD OFF
> Dash switch OFF; trans in any gear = OD OFF
> I have the Blue Label OD which only operates in 4th gear -- your Black 
> Label OD would work in 3rd or 4th gear. The lockout switch is very 
> simple. It has a plunger on the bottom which, when contacted by the 
> 3rd-4th gear transmission shift rod, is depressed, enabling current flow 
> to the solenoid (ON position). Otherwise, it is OFF.

OK, so the switch is internal to the trans.  For some reason I thought
the switch was outside of the trans and needed to be hooked up inline with
the connectors on the trans.  Makes much more sense now.

The only question remaining is, what is the purpose of the starter relay
shown in the circuit here?  I don't think my '66 has one.

> Hope this helps.

It sure did!!  Thanks Max


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