7 To 5 Trailer Adapter McClain Bolt On Aluminum Light Cover Bracket Left has been added to your order form. Checkout View Order Form $13.95 7 To 5 Trailer Adapter quantity Add To Order Form SKU: 1757 Category: Lights & Electrical 5-flat to 7-round, Trailer Adapter Related products Stud Mount Amber LED Marker Light $6.95 Part #:1809 Add To Order Form 3 Wire 11″ Light Pigtail $1.95 Part #:3041 Add To Order Form Low Profile LED Left Side Light $16.95 Part #:1813 Add To Order Form Red Incandesc-ent Thinline Side Marker Light $2.95 Part #:1724 Add To Order Form