My 89 crx si with 307000 kms on it gauges are messed the high beem indicater blinks with the left signal and makes the temperature gauge plus my rpms jumpp real high if i leave the signal on. also my temperature gauge likes to go down alot it goes back up but i gott turn the the heater blower off

 

take cluster out look to see if nething cross touching if now the cluster probably needs to be replaced