To find the relevant components, you'd need to look in these areas:
* Body Control Module (BCM): This is the main brain for many electrical functions, including DRLs. Its location varies slightly depending on the specific trim and body style of your 1997 Ram (regular cab, extended cab, etc.). It's usually found under the dash, often behind the glove box or under the steering column. Your owner's manual or a wiring diagram is crucial to pinpoint it.
* Headlight Relay: The DRL function likely uses a relay to switch the headlights to a lower power for DRLs. Relays are usually found in a fuse box, either under the hood or inside the vehicle (often near the steering column).
To troubleshoot DRL issues, you'll need a wiring diagram specific to your 1997 Dodge Ram, as the exact implementation will differ depending on options. A wiring diagram will show you the specific relay and wiring involved in the DRL circuit, allowing you to trace any problems.