an ISO 9001:2015 Registered Company

1968 Chevrolet Corvette with & without Factory Air

1969-76 Chevrolet Corvette without Factory Air

Control Panel Conversion Kit(473170)

18865 Goll St. San Antonio, TX 78266 Phone: 800-862-6658

Sales: sales@vintageair.comTech Support: tech@vintageair.com

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903177 REV F 07/16/19, PG 1 OF 15

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903177 REV F 07/16/19, PG 2 OF 15

Cover.................................................................................................................................Table of Contents.................................................................................................................Packing List/Parts Disclaimer..................................................................................................Disassembly and Placard Installation......................................................................................Cable Converter Assembly Modification, Cable Converter Assembly Mounting Clamp Installation.....Mode Cable Converter Assembly Installation............................................................................ Mode Control Harness...........................................................................................................Temperature Cable Converter Assembly Installation, Temperature Control Harness....................... Temperature Control Harness (Cont.), Blower Switch PC Board Installation.................................. Final Steps........................................................................................................................ Control Panel Calibration Procedure....................................................................................... Control Panel Calibration Procedure (Cont.)............................................................................ Wiring Diagram..................................................................................................................Operation of Controls..........................................................................................................Packing List.......................................................................................................................

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Table of Contents

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903177 REV F 07/16/19, PG 3 OF 15

C

HI

OFF

DEF

FLR

PNL

PNL

FLR

H

AC

EC

ON

O

E

Packing List: Control Panel Kit (473170)

No. 1.2.3.4.5.6.7.8.9.

10.

Qty.1212225112

Part No.484173-PCR112002-SUA232002-VUA65975-VUE49705-VUI491010-VUR21301-VUP231520246110-PUA18247-VUB

DescriptionPlacardCable Converter AssemblyControl Harness, Gen IV UniversalPush-on Ring, 1/8”Spacer, 1/8”Cable Converter ClampTie Wrap, 4”Ground WirePC Board Assembly, 3-Speed Blower SwitchScrew, #10 x 1/2”, Sheet Metal

** Before beginning installation, open all packages and check contents of shipment. Please report any shortages directly to Vintage Air within 15 days. After 15 days, Vintage Air will not be responsible for missing or damaged items.

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9

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10

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NOTE: Images may not depict actual parts and quantities. Refer to packing list for actual parts and quantities.

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903177 REV F 07/16/19, PG 4 OF 15

Disassembly and Placard Installation

1.

2.3.4.5.

Remove the control panel bezel by removing the (4) OEM mounting screws on the back side of the control panel (retain).Remove the OEM vacuum control assembly and A/C switch assembly (discard).Remove the control panel brace (discard).Remove the OEM placard, and install the new placard as shown in Figure 1, below.Reinstall the bezel using the (4) OEM screws.

Perform the Following:

Figure 1

C

HI

OFF

DEF

FLR

PNLPNL

FLR

H

AC

EC

ON

O

E

(4) OEM Screws

Control Panel

Control PanelBrace

A/C SwitchAssembly

Vacuum ControlAssembly

OEMBlowerSwitch

Placard

Bezel

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903177 REV F 07/16/19, PG 5 OF 15

Cable Converter Assembly Modification

1. Locate the (2) cable converter assemblies. Using a pair of wire cutters, cut the cable converter push rods as shown in Figure 2, below.

Figure 2

Figure 3

Cable Converter Assembly Mounting Clamp Installation

1. Install cable converter assembly mounting clamps (See Figure 3, below).

Cut the (2) Cable ConverterAssemblies at the 2nd Hole(Remove Shaded Portion)

Cut at Each SideOf Hole as Shown

Cable ConverterPush Rod

Cable ConverterAssembly

112002-SUACable Converter Assembly

Mounting Clamp491010-SUR

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903177 REV F 07/16/19, PG 6 OF 15

Mode Cable Converter Assembly Installation

1.

2.

3.

4.

Install the cable converter push rod onto the OEM cable mounting stud on the mode lever (See Figure 4, below).Secure the cable converter assembly to the control panel using a 1/8” spacer and a #10 x 1/2” sheet metal screw (See Figure 4, below).Since the cable converter assembly can slide back and forth in the clamp before the screw is tightened, position the cable converter assembly such that the flat part of the rod is as close to flush as possible with the end of the housing at the lever’s innermost position (See Figure 4, below).Secure the cable converter lever push rod onto the OEM cable mounting stud using a 1/8” push-on ring as shown in Figure 4, below.

Figure 4

#10 x 1/2”Sheet Metal

Screw

1/8”Push-on

Ring

End of RodFlat Section

Flush

1/8” Max

NOTE: Do not allow rod to separate housing when rod is in innermost position.

Rod Shown inApproximately

InnermostPosition

End ofHousing

1/8” Spacer

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903177 REV F 07/16/19, PG 7 OF 15

Mode Control Harness1.

2.

Locate the control panel wiring harness, and plug the corresponding connector into the correct cable converter assembly as shown in Figure 5, below.Once the connector is correctly plugged into the cable converter assembly, secure the wires to the cable converter assembly using the supplied tie wraps (See Figure 5a, below). The tie wrap must be located between the end of the wire jacket and the step in the cable converter housing, forcing a bend in each wire as it passes over the step in the cable converter housing. The head of the tie wrap must fall on the edge of the housing to remain tight. Ensure that the tie wraps are tight enough that the wires cannot move (See Figure 5a, below).

Figure 5

Figure 5a

RedWhite/Yellow

White/Yellow

White

ModeConnector and

Wires

WireJacket

WireJacket

Tie Wrap

Tie Wrap

Force Bendin Wires Over Step

Step inCable

ConverterHousing

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903177 REV F 07/16/19, PG 8 OF 15

Temperature Cable Converter Assembly Installation

1.

2.

3.

4.

Install the cable converter push rod onto the OEM cable mounting stud on the temperature lever (See Figure 6, below).Secure the cable converter assembly to the control panel using a 1/8” spacer and a #10 x 1/2” sheet metal screw (See Figure 6, below).Since the cable converter assembly can slide back and forth in the clamp before the screw is tightened, position the cable converter assembly such that the flat part of the rod is as close to flush as possible with the end of the housing at the lever’s innermost position (See Figure 4, Page 6).Secure the cable converter lever push rod onto the OEM cable mounting stud using a 1/8” push-on ring as shown in Figure 6, below.

Figure 6

Figure 7

Temperature Control Harness1. Locate the control panel wiring harness, and plug the corresponding connector into the correct cable converter

assembly as shown in Figure 7, below.

#10 x 1/2”Sheet Metal

Screw1/8”

Push-onRing

1/8” Spacer

TemperatureConnector and

Wires

RedWhite/Red

White/Red

White

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903177 REV F 07/16/19, PG 9 OF 15

Temperature Control Harness (Cont.)

Blower Speed Switch PC Board Installation

1.

1.

Once the connector is correctly plugged into the cable converter assembly, secure the wires to the cable converter assembly using the supplied tie wraps (See Figure 8, below). The tie wrap must be located between the end of the wire jacket and the step in the cable converter housing, forcing a bend in each wire as it passes over the step in the cable converter housing. The head of the tie wrap must fall on the edge of the housing to remain tight. Ensure that the tie wraps are tight enough that the wires cannot move (See Figure 8, below).

Install the blower speed switch PC board on the back of the OEM switch as shown in Figure 9, below.

Figure 8

Figure 9

WireJacket

WireJacket

Tie Wrap

Tie Wrap Force Bendin Wires Over Step

Step inCable

ConverterHousing

OEMBlower Speed

Switch

Blower Speed Switch PC

Board

NOTE: Plug in the connectorbefore installing the PC board onto the switch.

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903177 REV F 07/16/19, PG 10 OF 15

Figure 10

Final Steps1.

2.3.4.5.

Using the supplied tie wraps, tie the wires to the control panel as shown in Figure 10, below. Confirm that wires are secured and do not interfere with lever operation or cable converter assembly.Reinstall the control panel into the center console.Plug the wiring harnesses into the ECU module on the sub case (See Figure 10, below).Wire according to the wiring diagram on Page 13.Calibration procedure and operation instructions: A. Calibrating the control panel will set the range of travel for the cable converters connected to the OEM control panel levers. Performing this procedure will set the limits of the cable converters at their highest and lowest points. B. Locate the gray wire with an unused connector in the wiring harness near the cable harness relay. This wire is labeled PROGRAM on the wiring diagram on Page 13. C. It will be necessary to ground the gray wire for approximately five seconds while moving the controls, so it is sometimes helpful to attach one end of the white jumper to the vehicle’s ground (for example, the chassis) and have the other end ready to connect to the gray PROGRAM wire when the procedure requires it. D. To calibrate the control panel, follow the calibration procedure on Pages 11 and 12.

NOTE: Tie the unused wire to the control panel approximately as shown. Ensure that the wire does not interfere with levers or cable converter assemblies.

TieWrap

Plug FromWiring

Harness232001-VUR

Plug FromControl Wiring

Harness232002-VUA

UnusedRed, White,White/Blue

Wire

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903177 REV F 07/16/19, PG 11 OF 15

On Vintage Air Gen IV systems using factory controls, it is necessary to calibrate the system to your specific control panel. This procedure ensures that the stroke of your control panel levers or knobs is translated into precise control of the fan speed, temperature blend and mode door position. Please carefully read and understand these procedures before beginning. The procedure may be repeated as many times as necessary to get it right.

In preparation for calibration, you will need to attach the supplied white ground jumper wire to a suitable chassis ground. This jumper wire must be easily connected to the gray programming wire located in the main Gen IV wiring harness next to the compressor relay. During the calibration procedure, you will connect the white jumper to the gray program wire, which will “teach” the Gen IV ECU the upper limits of the control levers or knobs. The blower will momentarily change speeds, signaling that the upper limits have been “learned”. You will move the levers or knobs to opposite extreme positions of their travel and then disconnect the white jumper. The blower will again change speeds, signaling that the lower limits have been learned and that the calibration procedure is complete.

Control PanelCalibration Procedure

GrayProgram Wire

White JumperCable

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903177 REV F 07/16/19, PG 12 OF 15

1. Turn on the ignition switch (Do not start the engine).

2. Move the control levers/knobs to the positions shown.

3. Connect the white jumper wire to the gray program wire. Wait for the blower speed to change (Approximately 5 seconds).

4. Move the control levers/knobs to the positions shown.

5. Disconnect the white jumper wire from the gray program wire. The blower speed will change, indicating completion of the calibration procedure.

6. Confirm proper operation of controls. Repeat procedure if necessary. When finished, tape over program wire connector with electrical tape to prevent accidental contact with chassis ground.

Control PanelCalibration Procedure (Cont.)

C

HIOFF

DEF

FLR

PNLPNL

FLR H

CONO

E

AC

C

HIOFF

DEF

FLR

PNLPNL

FLR H

CONO

E

AC

OFF ON

START

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903177 REV F 07/16/19, PG 13 OF 15

WHT/GRN

WHT/YELWHT/RED

RED

WHTBACKLIGHT NEG

FAN WIPER

MODE WIPER

TEMP WIPER

5V-SW

GND

BACKLIGHT POS

AC ANNUNCIATOR

PRE-WIRED

GEN IV WIRING DIAGRAMREV E, 10/6/2017

GEN IV ECU

PROGRAM

Wiring Diagram

TEMP

MODE

FAN

A/C(IF USED)

232007-VUR

232002-VUA

** CIRCUITBREAKER30 AMP

*** WIDE OPENTHROTTLESWITCH

(OPTIONAL)

* DASH LAMP(IF USED)

Dash Lamp Is Used Only With Type 232007-VUR Harness.Warning: Always Mount Circuit Breaker As Close to the Battery As Possible. (NOTE: Wire BetweenBattery and Circuit Breaker Is Unprotected and Should Be Carefully Routed to Avoid a ShortCircuit).Wide Open Throttle Switch Contacts Close Only at Full Throttle, Which Disables A/C Compressor.

JF8

BLK

ORA

TAN

VIEWED FROM WIRE SIDE

* **

***

HEATERCONTROL VALVE

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903177 REV F 07/16/19, PG 14 OF 15

Operation of Controls

C C

HI HIOFF OFF

DEF DEF

FLR FLR

PNL PNLPNL PNL

FLR FLRH H

CONO

E

CONO

E

AC

AC

C

HIOFF

DEF

FLR

PNLPNL

FLR H

CONO

E

AC

BlowerSpeed

ThermostatDialMode

Dial

Blower SpeedThis lever controlsthe blower speed,

from off to hi.

Mode DialRoll the dial up or down

to the “PNL”, “FLR” or “DEF”legends in the “AC” range

of the mode dial.

Thermostat DialRoll the thermostatdial all the way up

for maximum cooling.Roll the dial downto decrease the

amount of cooling.

Blower SpeedThis lever controlsthe blower speed,

from off to hi.

Mode DialRoll the dial down

to the “PNL” or “FLR”legends in the “ECONO”range of the mode dial.

Thermostat DialRoll the thermostat

dial all the way downfor maximum heating.

Roll the dial up todecrease the amount

of heating.

Blower SpeedThis lever controlsthe blower speed,

from off to hi.

Mode DialRoll the dial up to

the “DEF” legend inthe “AC” range of the

mode dial.

Thermostat DialRoll the thermostat

dial all the way downfor maximum heating.

Roll the dial up todecrease the amount

of heating.

A/C Operation

Defrost OperationHeat Operation

NOTE: For proper control panel function, refer to calibration procedure on Pages 11 and 12.

Mode Dial: “AC” & “ECONO” RangesThe “AC” and “ECONO” ranges of the mode dial operate indentically. However, when the mode dial is in the “ECONO” range, the A/C compressor is switched off. NOTE: When the mode dial is moved from one range to the other, the blower will momentarily change speeds, before returning to normal, to indicate the change.

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903177 REV F 07/16/19, PG 15 OF 15

C

HI

OFF

DEF

FLR

PNL

PNL

FLR

H

AC

EC

ON

O

E

Packing List: Control Panel Kit (473170)

No. 1.2.3.4.5.6.7.8.9.

10.

Qty.1212225112

Part No.484173-PCR112002-SUA232002-VUA65975-VUE49705-VUI491010-VUR21301-VUP231520246110-PUA18247-VUB

DescriptionPlacardCable Converter AssemblyControl Harness, Gen IV UniversalPush-on Ring, 1/8”Spacer, 1/8”Cable Converter ClampTie Wrap, 4”Ground WirePC Board Assembly, 3-Speed Blower SwitchScrew, #10 x 1/2”, Sheet Metal

NOTE: Images may not depict actual parts and quantities. Refer to packing list for actual parts and quantities.

Checked By:Packed By:

Date:

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