1992 Pontiac Grand Am Q&A

1992 Pontiac Grand Am Question: how do i check the relay for my coolant fan with what tools do i use

my fan doesnt turn on and the car is over heating i did check to see if the fan does work and it does now i need to figure out why the fan wont work when it is connected to my car -
Answer 1
You will need a scanner that can read serial data to see what the temperature of the engine is and if the PCM is indicating cooling fan enagement. -