1997 Mercury Cougar Q&A
1997 Mercury Cougar Question: what does the check engine lightbulb look like?
Check engine light doesnt come on and needs to be replaced what does it look like - Visitor
Just stop at any Ford/Mercury dealer and pick one up. They can find it easily in their parts catalogue, it cost only few bucks and I don't think other part stores will be able to locate it for you. Zee - ZeeTech