That heavy green wire is supposed to go across the valve cover to the carb
pre-heater gizmo between the intake manifold and the Zenith-Stromberg carb.
----- Original Message -----
From: "Howard Battan" <battanhr@comcast.net>
To: <mgs@autox.team.net>
Sent: Monday, July 25, 2005 7:45 PM
Subject: Another electrical question
> In tracking down why my parking and running lights are always on in my '79
> B
> when the key is on, even with the light switch in the 'off' position, I
> find
> that there is a heavy green wire connected to the fuse box on the terminal
> that is normally not used. The wire is contained in the main wire loom, so
> it must not be an add-on. This wire runs from the connector to the wiring
> loom branch that has the water temperature sensor line in it, then
> disappears into the loom. If I disconnect the wire from the fuse box, the
> parking and marker lights do not come on until I select them with the
> switch.
>
> Can anyone tell me where that heavy green wire is supposed to be
> connected?
> Note that this has a female spade connector and not a bullet connector.
>
> Thanks,
>
> Howard Battan
> '57 MGA
> '79 MGB
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