Brake Switch Closed?

Check circuit No. 847 (Orange/Light Green wire) is attached to pin No. 9 at 60-pin connector at ARC module. Start engine and press brake firmly to floor. Check resistance between pins No. 9 and No. 60 on ARC harness while brake is down. If more than 1000 ohms, proceed to QUICK TEST D29. If less than 10 ohms, replace ARC module.