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Wiring Question for Activator III

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Old 08-24-2008, 06:40 PM   #1
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Wiring Question for Activator III

I have an 09 Double Cab with Tow Package and bought an Activator III brake controller. I also bought a Tekonsha Toyota Brake Control Harness (model 3040-P). The harness has 2 connectors: one that fits the connector under the dash and one that fits the Activator III. In the harness it also has a white wire with a spade on it that doesn't seem to go anywhere. Could this be another ground? I used an Ohm meter and found it has continuity to ground. What should I do with this and where should I connect it?

Thanks,
Paul
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Old 08-24-2008, 07:40 PM   #2
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Quote:
Originally Posted by Ultima GTR Guy View Post
I have an 09 Double Cab with Tow Package and bought an Activator III brake controller. I also bought a Tekonsha Toyota Brake Control Harness (model 3040-P). The harness has 2 connectors: one that fits the connector under the dash and one that fits the Activator III. In the harness it also has a white wire with a spade on it that doesn't seem to go anywhere. Could this be another ground? I used an Ohm meter and found it has continuity to ground. What should I do with this and where should I connect it?

Thanks,
Paul
yep.....im guessing thats an extra ground, so you could cut the spade off,put an eyelet on it, and connect it to the closest point you can find that is grounded,and out of the way.
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Old 08-25-2008, 05:00 AM   #3
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Sorry for my late response on this.

You and Tacomaman are both correct. It is a secondary ground wire. The reason for it is because the majority of all trailer wiring problems stem from a bad ground, so the more places that the cround wire connects, then the less chance for that problem. There is a ground bold behind the driver's side kick pannel that you can connect it to.
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