HORN DOES NOT OPERATE - continued - TM-10-3930-673-20-10099

TM 10-3930-673-20-1

Remove rings, bracelets, watches, necklaces, and any other jewelry before working around vehicle. Jewelry can catch on

equipment and cause injury or short across electrical circuit and cause severe burns or electrical shock.

Batteries can explode from a spark. Battery acid is harmful to skin and eyes. Always wear eye protection when working with

batteries.

CONNECTOR H1

WIRE 22

WIRE 2

VOLTAGE TEST

(1) Remove battery cover (Para 8-42).

(2) Disconnect negative battery cable from

negative side of battery (Para 8-44).

(3) Set multimeter to volts dc.

(4) Disconnect connector H1 from horn.

(5) Connect multimeter positive (+) lead to

wire 22 of connector H1.

(6) Connect multimeter negative () lead to

known good ground.

(7) Connect negative battery cable to

negative side of battery (Para 8-44).

(8) Push horn button and note reading of

multimeter.

(a) If 24 vdc is present, go to Step 12

of this fault.

(b) If 24 vdc is not present, go to

Step 2 of this fault.

(9) Disconnect negative battery cable

(Para 8-44).

HORN BUTTON

TR00947

2-47