-Chilton's Auto Repair Manual: Chilton's provides detailed repair information and diagrams for various vehicles. You can find their manual for the 1955 Pontiac Chieftain online or at automotive stores.
-Mitchell 1 DIY: Mitchell 1 DIY offers wiring diagrams and repair information for different vehicle models. You can purchase a subscription to access their database, which includes the 1955 Pontiac Chieftain.
-Autozone.com: The Autozone website sometimes provides basic wiring diagrams for vehicles. Although they may not have a specific diagram for the 1955 Pontiac Chieftain, they might have a general diagram that can provide some guidance.
-Online Pontiac Enthusiast Forums: There are various Pontiac enthusiast forums online where you can ask for specific wiring diagrams or get assistance from experienced Pontiac owners.
-Local Pontiac Dealership or Repair Shop: You can also try contacting a local Pontiac dealership or automotive repair shop to see if they have a copy of the wiring diagram for the 1955 Pontiac Chieftain.
Be sure to confirm the accuracy and compatibility of any diagrams you find, especially if they're not official sources.
