Nevin (and new-lister Thomas),
I think that I can help, having been there quite recently with the new
wiring harness.
Yes, there are two separate flashers (the loads are different). They're located
on the firewall, behind the glovebox. They're held in place by spring clips.
Thomas, the two 'identical electrical devices in the engine compartment' are the
relays for ignition and starter solenoid. Haynes' Fig 10.34 #'s 51 & 83.
The 'unmarked, gray plastic cylinder' is the Inertia Switch (#36)
The 'small rectangular unit' is probably the Instrument Voltage Stabilizer
(#35).
Hope this helps.
Bud Krueger
52TD
77MGB
dresden@tiac.net wrote:
> I'm having the same problem...I thought the diagram showed it as two units,
> and the Moss listings seem to confirm that. (Lists separate part numbers
> for hazard flasher and turn signal flasher). When I find them, and figure
> out which unit causes the flashing not to happen, I'll let you know.
> Welcome to the list.
>
> Nevin
> 78 B
>
> >Hello,
> >
> >I am new to the list and new to MG ownership. I've had my '79 B (U.S) for
> >about three weeks, and while I have been busily, almost gleefully,
> >addressing minor problems with the brakes, choke, timing, top, etc., I have
> >been driven to near frustration by the most simple task.
> >
> >The turn signals on the car do not work. I have assumed from the beginning
> >that I only need replace the flasher. But, where is it? According to the
> >manuals I have looked at, it could be behind the dash, or in the engine
> >compartment. I have looked at a wiring diagram, and it suggests that there
> >is only one for both signals and hazards. Could someone describe it, and
> >its location?
> >
> >I have found two identical electrical devices in the engine compartment
> >(passenger side, near the fuse box) that look like flashers, but that have
> >wires of different colors and numbers than the wiring diagram describes.
> >Also, l have found an unmarked, gray plastic cylinder, mounted vertically
> >with two wiring prongs down, behind the dash, that has no wires whatsoever
> >running to it. If this isn't the flasher, does anyone know what it is?
> >Furthermore, I have found a small rectangular metal unit behind the dash
> >(well out of reach) with possibly the correct color wires running to it,
> >and maybe a ground wire. Is this it, or what is it?
> >
> >Of course, when I do find the flasher (eventually) it may just prove to be
> >working correctly, and I'll have to start looking for some nebulous ground
> >problem, but can anyone help?
> >
> >Thomas
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