Electrical Tables

 

 

Lamp Bulb Data

 

Bulb Used In...

Quantity

Trade Number

Candle Power
  Dome Lamp 1 211 12
  Parking Lights 2 1155 4
  Oil Pressure Indicator Lamp1 1 1895 2
  Generator Indicator Lamp1 1 1895 2
  Instrument Cluster Lamps2 4 1895 2
  Headlamp Beam Indicator lamp 1 1445 1
  Tail and Stop Lamp3 1 1157 32
  License Light 1 1155 4
  Front Park lamps 2 1157 32
  Ignition Switch Lamp2 1 1445 1
  Overspeed Warning Light3 1 1895 2
  Headlamps (#1 Unit) 2 4001 37.5 Watts
  Headlamps (#2 Unit) 2 40025 55.0 Watts
  Headlamps (Upper Beam) 2 5400 55.0 Watts
  Headlamps (Lower Beam) 45.0 Watts
  Differential Lock-Out Warning Lamp 1 1895 2
  Cigarette Lighter Lamp 1 1445 1
  Glove Box Lamp 1 1895 2
  Air Pressure Gauge Lamp 1 1895 2
  Tachometer Gauge Lamp 1 1895 2
  Dispatch Compartment Lamp 1 1895 2
  Direction Signal Indicator Lamp 1 1895 2
  Parking Brake Alarm Lamp 1 90 6
   

 

Notes:

 

1 On 10-60 series instrument clusters only.

2 Three (3) lamps used on instrument clusters and ignition switch lamp on P20-30 only.

3 Used on 60-80 series with vacuum spinner governed engines.

4 M-90 tandem axle models only.

5 Double filament sealed beam 37.5W upper and 55.0W lower.

 

 

Fuse Chart

 

Device or Circuit Protected

Type Fuse* & Amperes

 Location
  Back-up Lamp AGC - 10A Fuse Block
  Cool pack SFE - 20A Fuse Block
  Flasher and Traffic Hazard  Lamp Flasher Fuse Block
  Dome Lamp AGC- 15A Fuse Block
  Heater and Defroster (Deluxe) AGC - 15A Fuse Block
  Heater and Defroster (Recirculating) AGC - 10A Fuse Block
  Instrument Lamps AGC - 3A Fuse Block
  Parking Brake Alarm AGC - 10A Fuse Block
  Radio AGC - 2.5A Fuse Block
  Spot Lamp AGC - 15A6 Fuse Block
  License Lamp AGC - 15A6 Fuse Block
  Stop lamp AGC - 15A6 Fuse Block
  Tail lamp AGC - 15A6 Fuse Block
  Underhood lamp SFE- 9A Fuse Block
  Ammeter Circuit AGC - 3A *
   

 

Notes:

 

* In holder at engine harness bulkhead connector in engine compartment.

6 These items use the same fuse.

 

 

Wiring Color Code

 

Diagram Symbol

Wire Color
  B   Black
  B / LG   Black w/ Light Green Stripes
  B / W   Black w/ White Stripe
  BRN   Brown
  BRN / W   Brown w/ White Stripe
  DBL   Dark Blue
  LBL   Light Blue
  DG   Darg Green
  LG   Light Green
  OR   Orange
  PPL   Purple
  PPL / W   Purple w/ White Stripe
  P   Pink
  R   Red
  T   Tan
  GY   Gray
  W   White
  W / OR / PPL   White w/ Orange and Purple Stripes
  Y   Yellow