New addition to the family, questions
Thread Starter
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Legend
Joined: Feb 2005
Posts: 8,058
Likes: 184
From: Fort Worth, TX
Don't know if it had the factory tow package or not. I bought it used with a hitch on it so maybe it did.
I see in your photo the bumper has the 4/7 connector so I'm wondering if maybe it's pre-wired. Seems odd they would go to the trouble of wiring a 7 connector without the brake wire. On my 05 the brake harness under the dash was taped to a wiring harness on the left side of the foot well, right beside the parking brake. The way they taped it you couldn't see looking up from under the dash. I had to use a mirror and flashlight to locate it, perhaps yours is the same. I'd take a real good look under there before doing anything else. What you are looking for is the male end of this adaptor (the grey end):
I see in your photo the bumper has the 4/7 connector so I'm wondering if maybe it's pre-wired. Seems odd they would go to the trouble of wiring a 7 connector without the brake wire. On my 05 the brake harness under the dash was taped to a wiring harness on the left side of the foot well, right beside the parking brake. The way they taped it you couldn't see looking up from under the dash. I had to use a mirror and flashlight to locate it, perhaps yours is the same. I'd take a real good look under there before doing anything else. What you are looking for is the male end of this adaptor (the grey end):
Thread Starter
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Legend
Joined: Feb 2005
Posts: 8,058
Likes: 184
From: Fort Worth, TX
So I looked, couldn't find the plug under the dash (theres three 4-pin rectangular plugs), couldn't get a good look at the cab connector, but the bumper 7 way had all 7 wwires to it.
Saw this though...any idea?
Saw this though...any idea?
Thread Starter
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Legend
Joined: Feb 2005
Posts: 8,058
Likes: 184
From: Fort Worth, TX
Another question: Our neighbor has a 2010, and had the resonators cut off and flowmasters put on. Said he picked up 2 highway MPG.
Says it doesn't violate the warranty. truth?
Says it doesn't violate the warranty. truth?
Professional
Joined: Jul 2012
Posts: 128
Likes: 0
Generally the only time an after market product would cause a warranty issue is if it caused damage to another part of the vehicle or caused the vehicle to not run properly. As an example if the widget you attached to the engine caused the alternator to fail the alternator probably wouldn't be repaired or replaced under warranty. Just the presence of the widget isn't going to void your warranty. IF, the removal of the resonators and new muffler don't cause issues he should be fine.
Professional
Joined: Jul 2012
Posts: 128
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I have the factory controller in my own truck so I'll try to take a look and see if I can help you out.
Admin formally known as 94rt10ohio
Joined: Apr 2005
Posts: 9,025
Likes: 3
From: Curtice, OH
You will not get 2MPG highway from a Flowmaster (or any muffler for that matter). If it were that simple the factory would do it and stop with the nonsense of air deflectors and MDS.
I do not doubt your neighbor saw an increase (but not 2 MPG). I would wager he put it on in the spring/early summer when you will get more MPG from better temps and gas.
I do not doubt your neighbor saw an increase (but not 2 MPG). I would wager he put it on in the spring/early summer when you will get more MPG from better temps and gas.
Record Breaker
Joined: Aug 2009
Posts: 1,264
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From: Ila Georgia
Only difference in one with tow package is TOW mirrors. Some don't have a hitch. Wiring,cooling system etc. is all the same. Its up to you to get the right geared truck for your application. Wires for a brake controller have been up in left corner of dash for years.
