[TR] TR4A update and overdrive question

Creig Houghtaling creig555 at live.com
Thu Jun 4 21:50:26 MDT 2015


Chris,

You may be right.  I may have that backward between A & J.  If D switches between 2, 3, & 4, it is probably a D since it is in a 4A.  Weren’t A & J on the 250 & 6?  And if fitted to a 4 would require modification?

Creig

 

From: Chris Simo [mailto:ccsimonsen at gmail.com] 
Sent: Thursday, June 04, 2015 10:09 PM
To: Creig Houghtaling
Subject: Re: [TR] TR4A update and overdrive question

 

I think you may have it the other way round.  The D type od -- like I have in my 63 tr4  has od in 2, 3, and 4.   The J type in my TR6 has only 3rd and 4th.

 

I believe you could modify a j type cover to add a switch and go for 2, 3 and 4.

 

On Thu, Jun 4, 2015 at 10:50 PM, Creig Houghtaling <creig555 at live.com> wrote:

First an update.  Last I wrote I was whining about my new trunk seal not allowing my TR4A trunk lid close.  I had suggestions of seals that weren’t so tall.  One suggestion was the seal from a TR6.  So I worked with that idea and found that if I trimmed the new seal all the way down to the base around the bottom edges and half way up the sides I could actually close the trunk and latch it.  SUCCESS!!!  Thanks for the help!

 

Then I took it for a drive around the block and tried out the overdrive.   AAAARRRRGGGGG!!!  Smoke was escaping from the wires!  Couldn’t reach any of the wires from under the car, so took the freshly installed interior apart again.  I found 2 issues.  I hooked the live up through the  ground switches side.  So when I had continuity in 3rd gear and engaged the OD switch I sent live straight to ground.  Good way to make your wires into a toaster.  That’s why the smoke escaped.  But the only way I could have live is because my switch on the steering column was grounding out onto the turn signal switch.  So I got some new wire and made up new with new spade ends and bullet connectors.  OD functions perfectly now.  This time I was smart enough to test it before I buttoned everything up.

 

The other thing I noticed about the OD is the switches on the shifter allow the transmission to go into OD in 2nd, 3rd, and 4th.  I thought only J-type overdrives switched in the 3 top gears.  The tag on the OD doesn’t say A or J.  It just says Laycock De Normanville: Serial # 22/61753/003197, Patent GB 456007, USA 2097021, Canada 389847, France 806914.  Is there anything in that information that would tell if it was A or J?  The OD was not original to the car.  The heritage report  has it imported into Canada, white, red interior, surrey top.  So the OD was added later in life.  Can anybody tell me what I have here?

 

Creig

creig55 at live.com

St. Louis, MO



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