What kind of fan control does a 1994 Corvette have?

1994-1996 have three relays: primary, secondary and one relay for half speed fan operation. 1990-1993 Corvettes will have the dark green or blue wire spliced into the fan relay with the dark green/white striped wire for primary fan control. This works best for stock or mildly modified engines.

What kind of fan do I need for a 1985 Corvette?

On 1985-1989 Corvettes with an auxiliary cooling fan, a relay should be installed to turn the fan on when the A/C is on. The 1985-1989 Corvette without an auxiliary cooling fan should have a 12” pusher fan installed in front of the A/C condenser.

How can I make my Corvette cooling fan run simultaneously?

Connect one of the new harness wires to the dark green/white wire. Route the other harness wire to the main fan relay (near the battery). Locate the dark green/white wire at the relay connector. This will make both cooling fans come on simultaneously, meaning less run time for both fans if the cooling system is in good condition.

When to replace air conditioner relays in corvettes?

These hoses have a nylon inner barrier. The nylon barrier hoses were introduced in late 1987 but any hose over ten years old should be replaced (R-134a systems operate at higher pressures). 1985-1989 Corvettes with an auxiliary cooling fan, a relay should be installed to turn the fan on when the A/C is on.

How does the air conditioner clutch work on a corvette?

How the Corvette Air Conditioning Clutch works is relatively basic. An electrical current is applied to a magnet which engages the compressor via a metal disk mounted on the compressor housing. The clutch will not engage if insufficient A/C system pressure is not present.

Why is my air conditioning not working in my Corvette?

The clutch will not engage if insufficient A/C system pressure is not present. A failed clutch can be checked using an ohmmeter to check for continuity in the magnet circuit. No continuity is bad. Also is one leg of the circuit being shorted to ground.

Where is the relay wire for a corvette cooling fan?

Locate the dark green/white wire at the relay connector. This will make both cooling fans come on simultaneously, meaning less run time for both fans if the cooling system is in good condition. Route the cooling fan harness dark green or blue wire to the main fan relay (near the battery).

What kind of cooling system did corvettes have?

GM had a B4P cooling system option available for 1985-1989 Corvettes. This option consisted of an extra cooling fan in front of the a/c condenser, heavy duty radiator and oil cooler.

What is the override switch on a corvette radiator?

Our 244502 (1984-93) or 244503 (1994-95) manually operated switch allows you to override the automatic switch for additional cooling while waiting in the staging area. “Why not run the cooling fans continuously?” Radiator cooling fans were not designed for continuous use and they will fail prematurely.

What does the yellow light mean on a corvette?

After all, the light is yellow rather than red, which typically means “proceed with caution” unless the engine performance is so compromised your Corvette can’t proceed. If the Check Engine or SES warning light comes on, glance at the gauges.

Why is the SES light on on my 1997 corvette?

It took major problems for the 1981 Corvette Check Engine light to illuminate, while the 1997 would illuminate if the fuel cap was loose. Knowing the glitches that affect certain model year Corvettes helps diagnose the cause of the SES light illumination. After many years of repairing C4 Corvettes, a distinct pattern emerges.

Where is the aux fan located on a 1988 Corvette?

1) The Aux Fan Sw is located in the left side of the block. below #1 & #3 spark plugs. 2) On a 1988 Corvette, the main fan relay is. located on the inner rear of the left fender well; here the length of.

Why does my check engine light come on in my Corvette?

An OBD scanner tool will help you obtain problem codes and diagnose potential problems. Many Corvette owners have reported having their check engine light come on after they filled up with cheap gas or if the gas cap is too loose or tight.

What’s the temperature of a C4 Corvette fan?

I have a 1992 C4 Corvette. One fan comes on at 227 degrees and goes off at 217 degrees. Same fan comes on when the A/C is turned on. Other fan does not come on and it is a new fan. I have checked the relay and it is good.

What should the cooling temperature be on a 1984 Corvette?

1984 Corvettes will have the most noticeable improvement, as the factory cooling fan setting is 238 degrees. Lower temperatures will work at the expense of fuel mileage. There are various cooling fan control switches available to turn the cooling fans on earlier than the factory ECM or PCM controlled settings.

Where is the cooling fan switch on a 1984 Corvette?

The 1984 Corvette has a standalone cooling fan control circuit. The switch is connected directly to the cooling fan relay without any engine computer intervention. The cooling fan switch is located in the passenger side cylinder head between cylinders number six and eight spark plugs.

Where are the relays on a corvette radiator?

The cooling fan relays are mounted on the driver side of the radiator housing. 1990-1993 Corvettes have two relays: a primary and a secondary. 1994-1996 have three relays: primary, secondary and one relay for half speed fan operation.

Where is the low temp fan switch on a 1996 Corvette?

1985-1996 Corvette Low Temp Cooling Fan Control Switch would be installed in this location (driver’s side cylinder head between cylinders 1 and 3). Cut the dark green /white wire at the inner fender well.

What should the fan temperature be on a 1984 Corvette?

For this reason, we recommend using a minimum 180 degree thermostat and turning on the cooling fans at the 200-205 degree range. 1984 Corvettes will have the most noticeable improvement, as the factory cooling fan setting is 238 degrees.

What kind of fan control does a 1994 Corvette have?