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Old 04-11-2008, 07:53 PM   #3 (permalink)
HudsonValleyTitan
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Re: What is the ACC Brake relay?

Quote:
Originally Posted by ajc2579
I opened the fuse box behind the battery and noticed the diagram that showed a spot for a relay ACC Brake. What is this and do I need it?

Note: I am going to be starting to tow a 28 ft travel trailer approx. 7500lbs tomorrow. I already hooked up the electric brake control and as far as I know it works...but never been tested in tow. Also I have a 2005 Titan XE King Cab...Without a tow package from the dealer. I am going to be installing a Heavy duty Trans cooler on Monday. Will my truck be able to pull this? Thanks

I believe that's for the trailer brakes you'll need. There are two of these relays needed. I think it's for ACCESSORY BRAKES. You're only capable of up to 7400 LBS w/o the tow package. You're missing the lower rear end gearing..which is probably the most important to towing capacity in this case.
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