electrical problem

[Jbird]

Hello all. I have a vauxhall brava truck. All the red warning lights will not go out exept the oil light. it started the other day with the radio failing. then the heater fan and now the lights. it still starts and runs fine and the lights are bright. I would suspect the alternator but now I am not so sure. My understanding of electrics is very basics.

thank you in advance

[TWR]

Check your connections at the starter, Battery, & alternator connections.