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My 94 Dodge 3500 will change the engine sound and rpms when I depress the brake lightly while depressing the accelerator. It sounds like the transmission is about to shift, and in fact sometimes it kicks out of overdrive when I do this. If the headlights are on, it seems that they dim a little during this.
Is all this something to be concerned about? :(
 

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I'd think it would be normal for the engine to lug if you
try to accelerate and prevent the truck from moving at the
same time. :wzup:

Why would you be stepping on both pedals at the same time? :confused:
 

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I dont know much about it, but it sounds like a short somewhere in your truck ask your dealer :shocked:
 

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That's normal for your truck to do that. The brake switch under the dash is somehow linked to the trans or computer and will kick out of O/D (unlock the torque converter) when the brake is pressed. If you look under the dash you will see where the brake pedal touches the switch im referring to. Sorry i cant give you a more detailed description, but I'm sure someone else here will.

Danny
 

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The torque converter unlocks when the brake switch is depressed, this is normal, RPM should flare 300 RPM or so.

Keep on trucking !!
 
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