Rear defogger circuits carry high current through a relay and timer, so aged wiring there is both a performance and a safety concern. This harness restores that circuit correctly.

American Autowire FB08506 Specifications:

• Application: 1970 Pontiac Firebird.
• C50 Rear Window Blower Defogger.
• Correct wire colors and factory style terminals for straightforward circuit tracing.
• Sold individually.