Installing the Auto Gen Start
975-0082-01-01 2–13
Type 4

Type 4 is a three-wire StartStop configuration that uses relay 3 to provide

the preheat signal for Generac’s Guardian Gas generators.

Figure 2-6

Type 4, Type 5 and Type 13 connection diagram

Table 2-5

Type 4 relay and timing preset configurations

Relay 1 mode StartStop
Relay 3 mode Preheat
Gen Run signal hold time 10 s
Preheat time 60 s
Preheat to crank delay 5 s
Crank time 15 s
Crank retry time 15 s
Shutdown bypass time 0 s
Start tries 3
18
17 START
16
14
13
12 GEN RUN SIGNAL
GROUND
STOP/PREHEAT
20
19 FUEL PRIME (PREHEAT)
12V GENERATOR BATTERY +
Relay 1
Relay 3
Relay 2
5A fuse
5A fuse
5A fuse
Generator wiresAGS wiring harness
Complete overcurrent protection
not shown. Refer to page 2–6.