Service Manual

6-13Z Master 500 Gas Series Service Manual

When the engine coolant temperature increases the

sending unit resistance decreases, which causes the

needle on the water temperature gauge to increase (Fig.

346).

Fig 346 DSC-2549

Time-efcient testing is not possible. See information

under Temperature Sender, page 6-14.

Back side of the Temperature Gauge with terminal and

wire locations (Fig. 347).

S Terminal – Yellow/Red Wire (to the Temperature

Sender)

G Terminal – Black Wire (Ground)

I Terminal – Orange Wire (I Terminal of the Ignition

Switch)

Fig 347 DSC-2551

ELECTRICAL

How It Works

Testing

S I