Chevrolet Low Cab Forward 4500 2019 Series Owner's Manual page 222

Position
Front Headlight Highbeam/Lowbeam
Front Turn Signal Lamp
Parking Lamp
Cornering Lamp
Side Turn Signal Lamp
Sidemarker Lamp
Rear Taillamp and Stoplamp
Turn Signal Lamp
Back-Up Lamp
License Plate Lamp
Roof Roofmarker Lamp
(Identification/Clearance Lamp)
Interior Dome Light
Speedometer and Gauge Lights
Warning/Indicator Lights
Contact your dealer when replacing lights that are not listed here.
Bulb Wattage
Lights
Vehicle Care
Bulb Wattage (12V)
60/55W
27W (Amber)
5W
27W
5W (Amber)
5W (Amber)
8/27W
27W
27W
7.5W
5W
10W
3.4W
LED
221
Qty.
2
2
2
2
2
2
2
2
2
1
5
1
5
20