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Triumph TR3 - Wiring loom and others...

Has anyone (everyone) replaced their main loom? Can you advise me on chooseing a maker? Are there any features on one that makes it better than another? Are all the fittings supplied? My '60 is a mess behind the dash. The DPO left exposed wires wound together, crimp connecters that aren't crimped, and dangling bulbs with no home.

I,m getting set to replace an aftermarket wooden dash for the stock metal one. What do you coat the metal frame with, so that the contact cement for the vinyl covering will adhere? I'm thinking of a light color to aid in viewing from the rear once installed.

On another note, are all the gauges supposed to be Jaeger or a combination of Smiths and Jaeger?

I have a heater fan switch with no knob. What is the obvious difference, on the switch, between push and screw type knob?

Steve C.
Steve Crosby


On my 59 TR3A all my intruments are Jaeger except for the ammeter which is Lucas.

My heater switch is also a speed control for the heater fan. It is attached with one set screw. New knobs are available from VB, Moss, or TRF. Do not remember where I got mine.

hjr
hjr

I've heard of a place called British Wiring that has all you need. I never had to replace the loom, but a new cloth covered one would look nice. Maybe as a final touch on my next restoration (yeah, right).

I can't imagine the bulbs having no home, but they probably do look like a mess hanging down. Sounds like the previous owner wasn't much of an electrician. Unless you have wires melted together, you might save the mess with some time spent studying the wiring diagram.

I don't think you'll have a problem getting the vinyl to stick to your painted metal dash, just let the paint cure for a while. Can't remember what color they painted the dash originally, could be white.

The cars are fun to mess around with, aren't they?
Tom

Tom,
You're right about the messin'. I have a 74 TR6 that is pretty much all sorted out and really just needs paint. It's reliable, looks good from 20 feet and fun to drive. Boring! Nothing to fiddle with. Opps! Shhh don't raise the ire of the sleeping demon Lucas. When is that supercharger going on sale?
The bulbs have no home because the DPO changed a couple of the gauges. Maybe they are meant to be courtesy lights.
Patience is the word. I may be able to salvage the harness once the dash is removed and I can get a good look at the wiring.
A closer look at the heater fan switch revealed a threaded hole. It’s all so clear with the eyeglasses in place. It obviously needs the set screw knob.
I've under coated and sprayed the metal dash with Hammerite silver. I'll let that set up for a week or two before applying the vinyl coating.
The gauges are still a bit of a mix. I'll have to sort that out over the next while.
The ignition wiring is still a mystery. I will try again this weekend to get the engine firing.
Thanks to all that reply,
Steve
Steve Crosby

I am going with a completely new and very improved wiring harness that I got from http://www.advanceautowire.com/.

I hope this will make the electrical system the most reliable thing on the car.

See what you think.
Jim
J. S. Wallace

Almost any major british car parts supplier for harness.

All Jaeger instruments on my 59.

Dash removed two years ago and fitted with new red vinyl interior. metal dash appeared to have some type of a thin coat of red primer on it to match red interior?

Heater switch is on a rheostat (spelling?)
round knob that turns to on/off then increases fan speed as turned.

Harry
Harry Ward

This thread was discussed between 01/05/2006 and 10/05/2006

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