Standard Ignition A/C Clutch Relay,A/C Compressor Control Relay,HVAC Relay RY-68
Standard Ignition A/C Clutch Relay,A/C Compressor Control Relay,HVAC Relay RY-68 - view 2
Standard Ignition A/C Clutch Relay,A/C Compressor Control Relay,HVAC Relay RY-68 - view 3
Standard Ignition A/C Clutch Relay,A/C Compressor Control Relay,HVAC Relay RY-68
Standard Ignition A/C Clutch Relay,A/C Compressor Control Relay,HVAC Relay RY-68 - view 2
Standard Ignition A/C Clutch Relay,A/C Compressor Control Relay,HVAC Relay RY-68 - view 3

Standard Ignition A/C Clutch Relay,A/C Compressor Control Relay,HVAC Relay P/N:RY-68

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$65.99
MPN: RY-68
Item Package Quantity: 1
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Standard Ignition A/C Clutch Relay,A/C Compressor Control Relay,HVAC Relay P/N:RY-68
Standard Ignition A/C Clutch Relay,A/C Compressor Control Relay,HVAC Relay P/N:RY-68
$65.99

Switch your A/C compressor clutch on and off reliably with the Standard Ignition A/C Clutch Relay / A/C Compressor Control Relay / HVAC Relay (MPN RY-68). This part is cataloged under all three names, so it may appear as any of them. It's a direct-fit replacement for a long list of 1980s Ford and Mercury applications, including the 1982-1989 Ford Mustang, 1986-1989 Ford Taurus, 1983-1989 Ford Thunderbird, 1982-1989 Mercury Cougar and 1983-1989 Mercury Grand Marquis — see the Buyer's Guide tab for the full list of 22 vehicles.

An A/C control relay uses a low-current control signal to switch the higher-current circuit that feeds the compressor clutch coil. When the system calls for cooling, the relay closes its contacts and energizes the clutch so the compressor engages.

  • Electromechanical switching: a small control input switches the larger clutch-feed circuit.
  • Compressor clutch control: completes the circuit that engages and disengages the A/C compressor.
  • Direct-fit replacement: installs in the listed Ford and Mercury applications.

Signs this relay may need replacing include an A/C compressor clutch that won't click in, cooling that cuts in and out, or a clutch that won't disengage. Diagnose the cause first — if a failed relay is the problem, RY-68 replaces it.

Manufacturer part number RY-68.

Frequently Asked Questions

What does the RY-68 relay do?

It switches the electrical circuit that engages and disengages the A/C compressor clutch. A low-current control signal closes the relay contacts to feed the higher-current clutch coil so the compressor engages.

Which vehicles does this relay fit?

It's a direct-fit replacement for 22 Ford and Mercury applications from the 1980s, including the Mustang, Taurus, Thunderbird, Cougar and Grand Marquis. Check the Buyer's Guide tab for the complete list.

Is this an A/C relay or an HVAC relay?

Both — the part is cataloged as an A/C Clutch Relay, an A/C Compressor Control Relay and an HVAC Relay. All three names refer to this same RY-68 part.

What are signs this relay may need replacing?

An A/C compressor clutch that won't click in, cooling that cuts in and out, or a clutch that won't release can point to a relay problem. Diagnose the cause before replacing, since other components can cause the same symptoms.

What is the manufacturer part number?

The Standard Ignition manufacturer part number is RY-68.

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