Most likely your brake light switch is faulty or out of adjustment. You can buy an aftermarket service manual for your specific make, model, and year at your local auto parts store for less cost than half an hour of a mechanic's time. It will tell you where the switch is, how to test it, adjust it and replace it.
i cannot get the brake lights to work
No, the only French car sold under the Mopar name was a Simca. Later there was a Renault rebadged as a Dodge Premeire in the 1980's, but never a Peugeot. Tony
Dodge 'Em happened in 1980.
Dodge 'Em was created in 1980.
Helen Dodge died in 1980.
Lights in the Night - album - was created in 1980.
Shoot Out the Lights - song - was created in 1980.
check the Bulbs
You remove the brake caliper frame and rotor is then loose.
You will need to buy a converter that's combines the separate light bulb tail light assembly into a single wire for the turn and brake light.
When the Lights Go Down - book - was created in 1980.
Never Never Land - 1980 is rated/received certificates of: USA:G