David, your problems seems to be pretty simple. The switch that sits on top
of your tranny, is your lockout switch that keeps you from engaging
overdrive in 1st and 2nd. This is widely believed to be bad to do, however,
this too is a hotly contested theory. Your wiring should connect in serial
to this, probably on way to the gear shift switch.
Patrick Bowen
-----Original Message-----
From: David Massey [mailto:105671.471@compuserve.com]
Sent: Tuesday, December 12, 2000 10:56 PM
To: Paul Mitchell
Cc: Triumphs
Subject: TR6: J-type overdrive
Message text written by Paul Mitchell
>While my TR6 is off the road due to the broken valve spring,
shipwright's is setting in. Latest problem is the overdrive. It works in
all 4 gears, instead of just 3 & 4, as it it supposed to.
When I look at the overdrive, I can see 3 switches, one on top, in front
of the gear stick, and one on each side. This looks like the picture in
my Bentley's for an A-type, but I assume they look the same from this
angle. The switch to the left is the reversing light switch, and to the
right, according to Bentley is the seat belt switch. On top is the
3rd/4th inhibitor.
My switch on top has nothing connected to it, and the seatbelt one has
yellow/green and yellow/brown wires. Since this is not a US car, there
is no seatbelt switch. Should these wires be connected to the top switch
instead?
<
Paul,
I forget what the wire colors are but it is possible that these are the
wires for the lock-out switch. But then it is also possible that the
lock-out wires are tied together somewhere under the dash. Since they plug
in whr not reconnect them to the proper switch and see what happens. You
can, without running the engine, check to see if the solenoid energizes and
de-energizes as the selector is moved into and out of 3rd or 4th gear.
However, with the J-type you need a quiet garage and you must listen
closely but it is detectable, and you can feel it if you place your hand on
the solenoid while doing so.
Good luck
Dave
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