you must also verify the gas valve is opening and the manifold pressure matches the data plate

this factory-spec harness is the professional choice over generic splicing

ensuring the system operates at peak efficiency while maintaining the original equipment’s performance profile

Does the 56Y frame require a special mount

MARS 43053 Relay R-134A you must also verify theWhen you are troubleshooting a control circuit failure or performing a control board upgrade, the MARS 43053 Relay is the industry standard DPDT 24V enclosed switching relay you want in your truck. Engineered for heavy duty HVAC R control applications, this general purpose power relay features a 24 VAC coil and silver alloy contacts rated at 13 Amps (120 VAC). Whether you are managing compressors, fans, or auxiliary heating stages, the Double Pole