How much does auto loan effect mortgage qualifications

Me and my wife are looking to upgrade our home to something that fits our growing family anytime in the near future. We are looking but not in a rush, I could wait another 3 years to find something we like. With that said I'm in desperate need of a truck upgrade. I'm looking in the $50-70k range with 10% down. How much would that kind of loan affect what I qualify for on a house? Some finance background I make 160k/yr current monthly bills roughly $2400. Credit score was 792 when I bought my wife's car 2 years ago which has been paid off.