Why would you want a B.U. light on your TR3 Dave?
I tend to be a "strictly stock" guy to a fault and once had a friend ask me why
the aftermarket electric fuel pump on his TR3 kept burning up. He had
previously replaced 3 in a year.
I don't consider myself an expert in the TR 3 by any means and will often look
to the list for advice but told him that I thought he might have tapped into an
already overloaded unfused circuit to power up the pump.
I told him that he should go back to the stock mechanical pump and offered to
rebuild it for him......viola!!....success.
I think the electrical system in the TR3 is marginal at best and guess I would
be a little concerned about overloading the lamp circuit in the rear of the car.
I wouldn't "tap" into any exisiting wires, but run separate 18ga wires directly
from the fuse block. If you use the gearbox switch, just make sure you don't
overload it.
FWIW
Bob Stahlbush, pres British Motorcars of NE (2001-2006)
60 TR3A
66 MGB
70 BSA T-Bolt
70 BSA Lightning
76 Midget
83 XJ-6
---- Dave Willner <dwillner@ptd.net> wrote:
> What would be required as far as the wiring goes and hooking up a small back
> up light off the rear overrider bracket on a TR3A?
>
> Dave Willner
> Stroudsburg, PA
> 59 TR3A Apple Green
> 70 MGB BRG
> 70 BSA 441 Victor Special
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