Scheme 4
Scheme 5
Scheme 6
Scheme 7
Positive Temperature Coefficients Reference Chart
| PTC NO. | AMPS | FUSED CIRCUIT | FUNCTION |
|---|---|---|---|
| 4 | 8A | C16 20DB/GY | FUSED REAR WINDOW DEFOGGER RELAY OUTPUT |
| 7 | 13A | A105 18DB/RD | FUSED B(+) |
POSITIVE TEMPERATURE COEFFICIENTS REFERENCE CHART
Scheme 8
ACCESSORY RELAY
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | B(+) |
| 85 | FCM 35 | ACCESSORY RELAY CONTROL (RUN-ACC) |
| 86 | INTERNAL | B(+) |
| 87 | INTERNAL | FUSED ACCESSORY RELAY OUTPUT |
| 87A |
ACCESSORY RELAY CAVITY FUNCTION
AUTO SHUTDOWN RELAY (GAS)
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | K342 16BR/WT | AUTOMATIC SHUT DOWN RELAY OUTPUT |
| 85 | K51 18BR/WT | AUTOMATIC SHUT DOWN RELAY CONTROL |
| 86 | INTERNAL | FUSED B(+) |
| 87 | INTERNAL | FUSED B(+) |
| 87A |
AUTO SHUTDOWN RELAY (GAS) CAVITY FUNCTION
DEFOGGER RELAY CAVITY FUNCTION
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | B(+) |
| 85 | FCM31 | REAR WINDOW DEFOGGER RELAY CONTROL |
| 86 | INTERNAL | B(+) |
| 87 | INTERNAL | FUSED REAR WINDOW DEFOGGER RELAY OUTPUT |
| 87A |
DEFOGGER RELAY CAVITY FUNCTION
ECM/PCM RELAY (DIESEL)
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | FUSED B(+) |
| 85 | K51 20BR/WT | ECM/PCM RELAY CONTROL |
| 86 | INTERNAL | FUSED B(+) |
| 87 | K342 16BR/WT | ECM/PCM RELAY OUTPUT |
| 87A |
ECM/PCM RELAY (DIESEL) CAVITY FUNCTION
FRONT BLOWER MOTOR RELAY
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | B(+) |
| 85 | FCM 30 | FRONT BLOWER MOTOR RELAY CONTROL |
| 86 | INTERNAL | B(+) |
| 87 | C7 12DB | FUSED FRONT BLOWER MOTOR RELAY OUTPUT |
| 87A |
FRONT BLOWER MOTOR RELAY CAVITY FUNCTION
FRONT FOG LAMP RELAY
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | FUSED B(+) |
| 85 | FCM33 | FRONT FOG LAMP RELAY CONTROL |
| 86 | INTERNAL | FUSED B(+) |
| 87 | INTERNAL | FRONT FOG LAMP RELAY OUTPUT |
| 87A |
FRONT FOG LAMP RELAY CAVITY FUNCTION
FRONT WIPER HIGH/LOW RELAY
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | FRONT WIPER ON/OFF RELAY/OUTPUT |
| 85 | FCM 34 | FRONT WIPER HIGH/LOW RELAY CONTROL |
| 86 | INTERNAL | FRONT WIPER ON/OFF RELAY OUTPUT |
| 87 | W4 12BR/OR | FRONT WIPER HIGH/LOW RELAY HIGH SPEED OUTPUT |
| 87A | W3 12BR/WT | FRONT WIPER HIGH/LOW RELAY LOW SPEED OUTPUT |
FRONT WIPER HIGH/LOW RELAY CAVITY FUNCTION
FRONT WIPER ON/OFF RELAY
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | FRONT WIPER ON/OFF RELAY OUTPUT |
| 85 | INTERNAL | FUSED B(+) |
| 86 | FCM 14 | FRONT WIPER ON/OFF RELAY CONTROL |
| 87 | INTERNAL | FUSED B(+) |
| 87A | INTERNAL | GROUND |
FRONT WIPER ON/OFF RELAY CAVITY FUNCTION
FUEL HEATER RELAY (DIESEL)
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | FUSED B(+) |
| 85 | Z114 18BK/LG | GROUND |
| 86 | INTERNAL | FUSED IGNITION SWITCH OUTPUT (RUN-START) |
| 87 | N1 16DB/OR | FUEL HEATER RELAY OUTPUT |
| 87A |
FUEL HEATER RELAY (DIESEL) CAVITY FUNCTION
FUEL PUMP RELAY (GAS)
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | N1 18DB/OR | FUEL PUMP RELAY OUTPUT |
| 85 | K31 18BR | FUEL PUMP RELAY CONTROL |
| 86 | INTERNAL | FUSED IGNITION SWITCH OUTPUT (RUN-START) |
| 87 | INTERNAL | FUSED B(+) |
| 87A |
FUEL PUMP RELAY (GAS) CAVITY FUNCTION
HEADLAMP WASHER RELAY (EXPORT)
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | FUSED B(+) |
| 85 | FCM 32 | HEADLAMP WASHER RELAY CONTROL |
| 86 | INTERNAL | FUSED B(+) |
| 87 | V53 12BR/OR | HEADLAMP WASHER RELAY OUTPUT |
| 87A |
HEADLAMP WASHER RELAY (EXPORT) CAVITY FUNCTION
HORN RELAY
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | FUSED B(+) |
| 85 | FCM 10 | HORN RELAY CONTROL |
| 86 | INTERNAL | FUSED B(+) |
| 87 | X2 18DG/OR | HORN RELAY OUTPUT |
| 87A |
HORN RELAY CAVITY FUNCTION
LIFT PUMP RELAY (DIESEL)
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | FUSE DB(+) |
| 85 | N21 20DB/TN | LIFT PUMP RELAY CONTROL |
| 86 | F202 18PK/GY | FUSED IGNITION SWITCH OUTPUT (RUN-START) |
| 87 | N2 18DB/YL | LIFT PUMP RELAY OUTPUT |
| 87A |
LIFT PUMP RELAY (DIESEL) CAVITY FUNCTION
NAME BRAND SPEAKER RELAY
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | FUSED B(+) (I.O.D.) |
| 85 | FCM 11 | NAME BRAND SPEAKER (NBS) RELAY CONTROL |
| 86 | INTERNAL | FUSED B(+) (I.O.D.) |
| 87 | X1 16DG/BR | NAME BRAND SPEAKER (NBS) RELAY OUTPUT |
| 87A |
NAME BRAND SPEAKER RELAY CAVITY FUNCTION
PARK LAMP RELAY
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | B(+) |
| 85 | FCM 13 | PARK LAMP RELAY CONTROL |
| 86 | INTERNAL | B(+) |
| 87 | INTERNAL | PARK LAMP RELAY OUTPUT |
| 87A |
PARK LAMP RELAY CAVITY FUNCTION
REAR BLOWER MOTOR RELAY (3 ZONE)
| CAVITY | CIRCUIT | FUNCTION |
|---|---|---|
| 30 | INTERNAL | B(+) |
| 85 | FCM 30 | REAR BLOWER MOTOR RELAY CONTROL |
| 86 | INTERNAL | B(+) |
| 87 | C51 12LB/BR | FUSED REAR BLOWER MOTOR RELAY OUTPUT |
| 87A |
REAR BLOWER MOTOR RELAY (3 ZONE) CAVITY FUNCTION