Operating instructions

Paqe 56

Test Number 34B--Horn

Set the Function Selector Switch to the VOLTS position,

Using the ALL OTHER TESTS leads, connect RED lead to the terminal

of the horn relay that connects to the horns and BLACK lead to a

good ground as shown in Figure 57. (Reverse leads for a positive

ground system).

HORN AND RELAY

CIRCUIT CONNECTIONS

TEST RESULTS

FIGURE 54

ZERO READING

I, Defective horn relay

2. Defective horn rlng

3. A break in wtr|ng be*,

tween the horn ring

and relay

MORN

BLACK

$ 10

READING LESS

THAN i0 VOLTS

1. Defective horn

2. Defective wires

3. Relay points not

making good

contact

HORN RELAY

GOOD

Horn

oper-

ating

range

BATTERY VOLTAGE

READING

1. Open circuit in horn

2. Break in wiring be-

tween relay and horn