could be the the headlight switch, dimmer switch, headlight relay, or a problem with the wiring
Yes. Just switch the headlight brackets out.(remove the headlight bracket from the CRX headlight/ install the CIVIC headlight bracket on the CRX headlight.
On a 1989 Crown Victoria, the wire for the park lights on the headlight switch pigtail is typically a light green wire. This wire is responsible for activating the parking lights when the headlight switch is in the "park" position. Always refer to a wiring diagram specific to your vehicle for precise information and to ensure accuracy.
When changing parts on a car it is important to have a diagram of the part. A person can find the diagram of a rack and pinion for an 1989 Dodge Omni is its maintenance manual.
Autozone web page has the Vacuum diagram for the1989 Dodge Dakota.
In any handbook which shows the wiring diagram for the F350 for that year.
You can find a vacuum line diagram for a 1989 Dodge Dakota by checking the owner's manual. You can also find them at different auto part retail stores.
it's your headlight switch
The engine diagram for a 1989 Dodge Dakota be can be found in the Dakota service manual. The manual is available through most auto parts, or possibly at the public library.
Dodge does not use inertia switches.
Go to your local dodge dealer and ask if you can get a copy.
autozone.com has the diagrams