1988 300zx dash trouble lights staying on ! whats the problem?
If they are all on, possible check relay is stuck or a short in the check system circuit.
Ok where are the relays located under the hood?
1988 should have a rectangler black box that will show the relays position.
All or specific ones?
Light brake coolant
Coolant light is a sensor in the rad that may be defective or level may need peeked at. Check the e brake handle sw. And fluid. Level sensor may be tripped. Better answers at fb z-31/z-32tech help.
Looking for a Used 300ZX in your area?
CarGurus has 137 nationwide 300ZX listings starting at $3,995.
Search Nissan 300ZX Questions
Nissan 300ZX Experts