Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Jeep >> 1979 >> Wagoneer Base >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Spark Control Systems >> Testing >> Coolant Temperature Override (CTO) >> Single-Function for Standard Cooling

Single-Function for Standard Cooling

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches

Connect a vacuum gauge to center port "D" of CTO switch. When coolant is below 160°F, manifold vacuum should register. Above 160°F, carburetor ported vacuum should be indicated. If valve does not respond, it must be replaced.

scientia non olet · About Brad's Car Manuals