Aux.Lights for TC 35D

   / Aux.Lights for TC 35D #1  

BigOaks

Member
Joined
Sep 6, 2002
Messages
28
Location
North Carolina
Tractor
TC35D New Holland
I am attempting to add two aux. lights under my sun canopy to assist with my headlamps when using my loader at night. I purchased a new headlamp rocker switch assembly from New Holland which has five terminals on backside. Does anyone know how to wire this switch to turn lights on and off? This switch is driving me nuts. I want it to only turn on the aux. lights. I like the switch cause it fits right into the dash nicely. Any responses would be appreciated. Also should I wire direct to battery or fuse panel. The lights have an inline fuse built in.
 
   / Aux.Lights for TC 35D #2  
The fuse should be before switch, either inline or
from fuse panel.
There is a wiring diagram in owners manual to look at.
I'm at work and don't have it.
Do u have an ohm meter, if so test the terminals to find
the layout.
It has a lite in it then 1 wire needs to be ground for it.
If no ohm meter u could use 12v jumper and a test lite.
 
   / Aux.Lights for TC 35D #3  
catskillsNY,

Well here is what I did…It's not the only way to go, but ....

First I located the feed wire to the parking lights from the OEM light switch…terminal #3 from the OEM light switch. I paralleled this wire to a coil of a relay. This way, the auxiliary lights can’t stay on without the tractor running and kill the battery ( just in case !! ). If you aren’t concerned about this skip ahead and go right to the fuse block connection.

Now for the power side of the relay, I took a new fuse holder from the main lug at the fuse block, through the N.O. contacts of the relay to the new switch and on to the lights. The relay is just a simple little low power relay available from auto part stores to feed fog lights.

The switch you bought includes two sets of contacts and an indicator light terminal. You need to grab terminals # 2 - # 3 for one switch ( first detent ) and terminals # 5 - # 6 for the other ( second detent ). Terminal # 7 goes to ground and feeds the indicator light through an internal jumper.

When I run my aux. lights, I just flip the OEM light switch to the first detent, parking, and snap on the big lights above. My OEM headlights don’t do much when the loader is working so I just leave them off. They just light up the back of the bucket and create all sorts of shadows and glare when they’re on.

Also, to make things easy, plan on removing the instrument panel, and the left side panel ( black ) under the steering wheel. This give you easy access to everything and saves some aggrevation.

Good luck !!
 
   / Aux.Lights for TC 35D
  • Thread Starter
#4  
I just purchased a TC35D. I had trouble rigging up aux. lighting but found a solution. I have a sun canopy in which I mounted two aux. lights in the upper corners, purchased at a local tractor supply store ( about $25.00 ). I then purchased a headlight rocker switch from New Holland that fits nicely right into the panels on the dash ( about $13.00 ). Heres where the fun starts. I ran a hot wire ( 12 guage) from the battery to the switch. Because this switch has five terminals in the rear, I connected the hot ( power ) lead to terminal #5. The ground terminal is #7, which was grounded to the frame. The lead to the lights has an inline fuse and went to Terminal #6. To make the switch illuminate at night, I tapped the instrument panel light wire and connected that lead to Terminal #2 ( The blue wire going into the instrument panel marked 054 was the one used ). To access these wires and make the job easier, remove the instrument panel ( two screws in front) and the lower left black panel ( when sitting in seat) . Raise your loader, if you have one, all the way up to gain access under the hood. Both lights share a common ground. Everything works fine! Posted this to help others. Good Luck!
 

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