Wiring Controller

Wiring Controller

Postby catbones [OP] » June 10th 2013, 2:58pm

Hello,

I'm new here, do excuse me if I'm not doing this right. I did search the forum but I wasn't able to find. I'm getting a 2004 Chevy Astro and I got a controller on my other vehicle that I'm selling, but I will be moving that controller over to the Astro.

Now I'm wondering if there is a adapter for an Astro to avoid messing around with the wires or do I once again have to do a custom slice and hook type job?

In case I do, just not to open too many new topics, anyone know where I can find (and what color) wires under the dash for receiving the break light power? To charge the trailer battery, can I just run one of the 7 plug cables directly to the battery or should I run it to the positive alternator on the Astro?

Any suggestions and point form ideas would help. Thank you in advance.
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Re: Wiring Controller

Postby akkid » June 11th 2013, 10:10pm

20130611_120901.jpg
Im not sure if they come prewired or not. I always like to make my own connections. One problem I had was making the connection at the side post terminals. So now I get dual post batteries and use the top post for the brake controller. I also use # 10 wire for all power and ground except for the brake signal input I use # 14 . And one 30 amp breaker at the positive battery connection.
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Re: Wiring Controller

Postby Starrshine » June 12th 2013, 2:18am

When I installed mine in my 2003, I connected my power to the terminals that are at the fuse box under the hood. The positive cable hooks straight from the battery to that post. There is also a ground that went straight from the battery to the ground on the body. I considered these connections to be as good as direct to the battery and have not had any problem. I did put a 30 amp circuit breaker on the positive side. If your van is not wired for a tow package, you will have to run the blue wire to the back. I did find a connector on the brake pedal switch to hook that wire to, which was a white wire. Put a grommet into the hole you drill in the firewall!!!!
Bob

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Re: Wiring Controller

Postby Leeann_93 » June 12th 2013, 2:31am

The trailer wiring should be taped up in a bundle under the jack in the passenger rear.

I'd have to find my pic, but I don't think there was already a wire in the bundle for a brake controller. Then again, I only needed a flat-4 connector, so I didn't pay much attention to the extra wires...
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Re: Wiring Controller

Postby Starrshine » June 12th 2013, 4:16pm

Leeann_93 wrote:The trailer wiring should be taped up in a bundle under the jack in the passenger rear.

I'd have to find my pic, but I don't think there was already a wire in the bundle for a brake controller. Then again, I only needed a flat-4 connector, so I didn't pay much attention to the extra wires...

Do all of the vans have the tow wiring? Did not realize that. Mine already had a hitch but no plug. If the wiring is there, the wire for the brakes were there too.
Bob

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Re: Wiring Controller

Postby Leeann_93 » June 12th 2013, 10:00pm

Yep, should be there. All wrapped up in light grey tape with a factory warning tag on it.
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Re: Wiring Controller

Postby catbones [OP] » July 6th 2013, 7:03pm

Gonna make a video when I get a chance to install my brake controller so everyone else has an easier path doing it. I know there are to wires going from the brake pedal that you should be sticking the blue brake controller wire in.
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Re: Wiring Controller

Postby catbones [OP] » July 7th 2013, 6:32am

Does anyone have a picture or diagram for a 2004 Astro where I can tap into a wire that sends enough power from the brake for the blue brake controller wire?

My plan, to run 2 wires directly to the battery, tap in to the right brake cable for the blue wire and run all wires to the back then plug into the 4 way plug I already have setup to finish up the 7 connection.

Let me know if you know which wire under the driver dash I can tap into, unless there is a 2 wire coming from the brake box right above the brake pedal, one which I can tap into.
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