got a problem with rear brake lights on family memembers car , ARE the 21/5 watt bulbs , ment to be side tail light and brake light ? both the side light 5w bulb and the 21/5w bulb is coming on , how ever cannot get the bulbs to opperate , new bulbs have been fitted , wiring to switch removed and bridged , and still nothing regarding getting the brake lights to work , all the lights are on but dash indicates fault with both bulbs also