Product Manual A

PART 3: CONTROLS AND PANELS

An overview of the MUTT®’s controls, inputs, outputs and their functions.

3.1 LEFT AND RIGHT SIDE PANELS

A. 7 ROUND PIN CABLE TEST INPUT

For testing the integrity of a 7 round pin trailer cable. Can also be used to verify

that the MUTT

is operating correctly.

B. SHOP AIR INPUT

A bulk head air input that is used to connect an air compressor to the MUTT

for

testing air brakes on a trailer.

C. 20 AMP INDEPENDENT POWER INPUT

For connecting external 12DC 20 amp max. power supply. (Power supply is an

optional accessory, not for battery charging.)

D. CHASSIS GROUND OUTLET

Insert the supplied ground cable into this socket for trailers using the frame or

body for ground connection instead of the ground pin in the harness.

E. 7 ROUND PIN CABLE OUT TO TRAILER

For connecting 7 round pin trailer to the MUTT

to test electrical circuits.

F. 12V DC BATTERY TRICKLE CHARGE INPUT (CIGARETTE SOCKET)

For connecting the trickle charger to the MUTT

’s internal battery (battery not

included).

Left Side Right Side

C D E