acavdragoon
Well-Known Member
Where would be the best place to plug an aftermarket tach light connection into a 1966 Barracuda? To light up the tach dial when the lights are turned on.
Dash light plugin
- Thread starter acavdragoon
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You want switched power from the light switch or ignition (on when you start the car or on only when you turn the lights on?)
This is not the same year, so consult your wiring schematic
Here I would go to the power for Instruments on the fuse block
This is not the same year, so consult your wiring schematic
Here I would go to the power for Instruments on the fuse block
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The orange wire that feeds the radio light.
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I used to hook them into the ash tray light wire.
acavdragoon
Well-Known Member
I never noticed a light for the ash tray on mine.
acavdragoon
Well-Known Member
I do have an orange T shaped plugin for the radio. I didn’t know one was for the radio light..
acavdragoon
Well-Known Member
When I turn the lights on I was thinking. I’ll look at my fuse block, just might be the place to plug it in. After all I need to plug in the power wire in there.
Check your schematic to find an appropriate spot
The radio is a good spot. If you look at the diagram posted, the fuse at the far right is at one end of the fuse box. One end of the fuse, under the box, will have a bunch of orange wires. These are the dash dimmer controlled dash lighting, and go everywhere there is one, such as shift quadrant, the instruments, heater, and radio Orange wire
Mattax
Just the facts, ma'am
Look at the '66 Barracuda diagram in the FSM. See if there is an option for console, or any other option that would have likely had a light tied into that circuit (the one for dash lighting).
On my '67 there was one for the console, which my car was not optioned with so the connector was available.
A mate for the connector can be made up without much issue.
For 12 V powered tachs, copy the factory. Use the 'optional accessory' fuse slot. If your car already has a fuse there, a piggy back connector will let the fuse be shared.
On my '67 there was one for the console, which my car was not optioned with so the connector was available.
A mate for the connector can be made up without much issue.
For 12 V powered tachs, copy the factory. Use the 'optional accessory' fuse slot. If your car already has a fuse there, a piggy back connector will let the fuse be shared.
Mattax
Just the facts, ma'am
I'm wrong In '66 it looks like the power was tapped at the wiper switch
Factory tachs work off the pulse of coil negative.
At least in '67 they needed a 12 V power source that came from the auxilery/optional fuse.
Go to mymopar.com
Find the section that says Service Manuals.
Download the 1966 Plymouth Chassis manual.
In the back of the electrical section you'll find the wiring diagrams.
Looks like in '66 power comes from a terminal junction on the wiper switch.
At least in '67 they needed a 12 V power source that came from the auxilery/optional fuse.
Go to mymopar.com
Find the section that says Service Manuals.
Download the 1966 Plymouth Chassis manual.
In the back of the electrical section you'll find the wiring diagrams.
Looks like in '66 power comes from a terminal junction on the wiper switch.
Fuse box may be a good spot for the lamp wire based on this one that was for sale.
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Many wiper switches had a bare switched 12 volt take off terminal. Handy for cb radios, even record players at a time.
acavdragoon
Well-Known Member
Yes, that connection was taken by the backup light switch on the steering column. Pink/black trace wire. Or maybe more to the purple color than pink.
acavdragoon
Well-Known Member
I’m going to plug it into the fuse box. ThanksI'm wrong In '66 it looks like the power was tapped at the wiper switch
Factory tachs work off the pulse of coil negative.
At least in '67 they needed a 12 V power source that came from the auxilery/optional fuse.
Go to mymopar.com
Find the section that says Service Manuals.
Download the 1966 Plymouth Chassis manual.
In the back of the electrical section you'll find the wiring diagrams.
Looks like in '66 power comes from a terminal junction on the wiper switch.
Fuse box may be a good spot for the lamp wire based on this one that was for sale.
View attachment 1716461562
Mattax
Just the facts, ma'am
FSM says B1 was Violet with tracer. You do have an FSM, right?
B1 was power to back up lights.
For the tach, an optional branch of B1 plugged in. It might have been a terminal with a piggyback. Need to find a console/tach car to see what it really looked like.
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