Having problems with your 1998 GMC Suburban ?
No brake lights
\015 New brake light switch and turn signal switch\015
Check the relays under the hood and the incab relays. Also check the continuity on the brake light assembly, those boards have been known to go out and i have seen both of them bad before.
Check stop lamps or LPS 20 amp fuse.
Repair Help & Product Troubleshooting for 1998 GMC Suburban
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.