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 Speed-Cal : Installation Instructions
|
1. Using the Ratio Multiplier Table at the end of
these instructions or the DMP SpeedCal worksheet, determine the correct
ratio multiplier and enter the binary code into the SpeedCal. Then, attach
the cover using the supplied screws. The picture below shows the dipswitch
settings of 1001001000 for a 3.27 to 3.73 gear swap.
|
|
| 2. Remove the vehicle negative battery cable. |
| 3. Inside the vehicle passenger compartment, remove
the shifter knob, outer shift boot, and inner shift boot. It is generally
easier to disconnect the cigarette and traction control (if applicable)
switches from the plastic housing and set the housing aside to facilitate
installation. The outer boot is merely snapped in place and can be easily
removed by grasping firmly on each side of the shifter and pulling straight
up and away from the console. The inner boot uses four 8mm bolts for attachment.
|
 |
| 4. Route the SpeedCal harness down the driver’s
side of the transmission and re-install the inner boot. Route the SpeedCal
harness to the back of the inner boot. |
 
|
| 5. Connect the Red wire of the SpeedCal to the cigarette
lighter hot wire with the provided scotch lock. As an example, on a ’99
and up late model Mustang this should be a Blue/White wire. |
 |
| 6. Center the SpeedCal ahead of the shifter and
reinstall the outer boot and shifter knob. |
 |
| 7. Under the vehicle, locate and remove the VSS
connector on the driver’s side of the transmission. |
 |
| 8. Using and small flat bladed screw driver or a
thin punch, CAREFULLY remove the red contact lock inside the connector shell.
CAREFULLY slide the screw driver / punch down the side of each contact to
disengage the contact retainer and remove both contacts from the connector
shell. |
 
|
| 9. Place the VSS connector shell removed in the
previous step onto the SpeedCal Blue and Green wires. Keying is not critical.
|
 |
| 10. Push the contacts into the connector shell until
the contact retainers engage. Usually, a faint “click” will be heard for
each contact retainer engagement. Re-insert the red contact lock. |
 |
| 11. Reconnect the VSS connector which is now installed
on the SpeedCal to the transmission. |
 |
| 12. In the vehicle harness VSS wire pair, determine
which of the two wires is the ground wire. On a late ‘94-’98 model Mustang
this should a Pink/Orange wire. On a ’99 and up, this should be a Gray/Red
wire. |
 |
| 13. Find the supplied connector shell in the SpeedCal
installation kit. Using the connector shell keys as a guide, align the ground
wire so it will mate with the SpeedCal Gray wire when the two connectors
are mated. |
 |
| 14. Insert the remaining vehicle harness wire into
the remaining connector location. Again, push the contacts into the connector
shell until the contact retainers engage. A faint “click” should be heard
upon engagement. Insert the supplied red key lock into the connector shell.
|
 |
| 15. Connect the vehicle harness to the SpeedCal
connector. Insure the contacts align per Step 13. Tie the excess wiring
and cable harness with the supplied E-Z Ties. |
 
|
16. Reconnect the battery terminal and drive the
vehicle. Insure the vehicle speedometer is functional. If possible, pace
the vehicle against a vehicle with a known reasonably accurate speedometer.
NOTES:
I. If the vehicle speedometer ever malfunctions, disconnect the vehicle
negative battery terminal, wait approximately 30 seconds, and reconnect
the battery. This is required to “cycle power” to the SpeedCal as the cigarette
lighter is and unswitched accessory outlet.
II. When wired per these instructions, the SpeedCal is always powered. The
SpeedCal power consumption is minimal, however, and will not introduce noticeable
vehicle battery power drain. It should be noted that portions of the Vehicle
EEC are also connected in this fashion so this is not an ususual installation
procedure. If the installer desires to use a switched accessory outlet,
consult the shop manuals particular to the target vehicle and choose a switched
accessory signal to tie into. The SpeedCal will perform just the same from
switched power as from unswitched power.
III. The DMP SpeedCal is capable of speedometer adjustments in increments
of 0.2% and will provide accurate vehicle speed data above the displayed
speedometer value ( 160 mph for a late model Mustang Cobra). In order to
retain this accuracy, care should be taken in determining the correct binary
code as the SpeedCal cannot provide accurate speedometer readouts with an
incorrect ratio multiplier selection. The supplied ratio table will provide
reasonably accurate ratio settings for a typical gear swap. For more detailed
settings which also include tire size adjustments refer to the DMP web site
at www.dallasmustang.com and use the DMP SpeedCal worksheet to determine
the desired ratio multiplier.
|
| Stock Ratio |
New Ratio |
Switch Settings |
|
Stock Ratio |
New Ratio |
Switch Settings |
|
Stock Ratio |
New Ratio |
Switch Settings |
| 3.27 |
6.33 |
1111011111 |
|
3.08 |
6.33 |
0000011100 |
|
2.73 |
6.33 |
0010100011 |
| 3.27 |
6.20 |
1111001010 |
|
3.08 |
6.20 |
0000000110 |
|
2.73 |
6.20 |
0010001010 |
| 3.27 |
6.14 |
1111000001 |
|
3.08 |
6.14 |
1111111100 |
|
2.73 |
6.14 |
0001111111 |
| 3.27 |
6.00 |
1110101011 |
|
3.08 |
6.00 |
1111100101 |
|
2.73 |
6.00 |
0001100101 |
| 3.27 |
5.83 |
1110010000 |
|
3.08 |
5.83 |
1111001001 |
|
2.73 |
5.83 |
0001000101 |
| 3.27 |
5.67 |
1101110111 |
|
3.08 |
5.67 |
1110101110 |
|
2.73 |
5.67 |
0000100111 |
| 3.27 |
5.57 |
1101101000 |
|
3.08 |
5.57 |
1110011101 |
|
2.73 |
5.57 |
0000010100 |
| 3.27 |
5.50 |
1101011101 |
|
3.08 |
5.50 |
1110010010 |
|
2.73 |
5.50 |
0000000111 |
| 3.27 |
5.43 |
1101010010 |
|
3.08 |
5.43 |
1110000110 |
|
2.73 |
5.43 |
1111111010 |
| 3.27 |
5.30 |
1100111101 |
|
3.08 |
5.30 |
1101110001 |
|
2.73 |
5.30 |
1111100001 |
| 3.27 |
5.29 |
1100111100 |
|
3.08 |
5.29 |
1101101111 |
|
2.73 |
5.29 |
1111100000 |
| 3.27 |
5.25 |
1100110110 |
|
3.08 |
5.25 |
1101101000 |
|
2.73 |
5.25 |
1111011000 |
| 3.27 |
5.14 |
1100100100 |
|
3.08 |
5.14 |
1101010110 |
|
2.73 |
5.14 |
1111000011 |
| 3.27 |
4.88 |
1011111100 |
|
3.08 |
4.88 |
1100101011 |
|
2.73 |
4.88 |
1110010011 |
| 3.27 |
4.86 |
1011111000 |
|
3.08 |
4.86 |
1100100111 |
|
2.73 |
4.86 |
1110001111 |
| 3.27 |
4.78 |
1011101100 |
|
3.08 |
4.78 |
1100011010 |
|
2.73 |
4.78 |
1110000000 |
| 3.27 |
4.71 |
1011100001 |
|
3.08 |
4.71 |
1100001110 |
|
2.73 |
4.71 |
1101110011 |
| 3.27 |
4.57 |
1011001011 |
|
3.08 |
4.57 |
1011110111 |
|
2.73 |
4.57 |
1101011001 |
| 3.27 |
4.56 |
1011001001 |
|
3.08 |
4.56 |
1011110110 |
|
2.73 |
4.56 |
1101010111 |
| 3.27 |
4.50 |
1011000000 |
|
3.08 |
4.50 |
1011101100 |
|
2.73 |
4.50 |
1101001011 |
| 3.27 |
4.44 |
1010110111 |
|
3.08 |
4.44 |
1011100010 |
|
2.73 |
4.44 |
1101000000 |
| 3.27 |
4.30 |
1010100001 |
|
3.08 |
4.30 |
1011001010 |
|
2.73 |
4.30 |
1100100110 |
| 3.27 |
4.22 |
1010010100 |
|
3.08 |
4.22 |
1010111101 |
|
2.73 |
4.22 |
1100010111 |
| 3.27 |
4.11 |
1010000011 |
|
3.08 |
4.11 |
1010101011 |
|
2.73 |
4.11 |
1100000010 |
| 3.27 |
4.10 |
1010000001 |
|
3.08 |
4.10 |
1010101001 |
|
2.73 |
4.10 |
1100000000 |
| 3.27 |
4.00 |
1001110010 |
|
3.08 |
4.00 |
1010011000 |
|
2.73 |
4.00 |
1011101110 |
| 3.27 |
3.91 |
1001100100 |
|
3.08 |
3.91 |
1010001001 |
|
2.73 |
3.91 |
1011011101 |
| 3.27 |
3.89 |
1001100001 |
|
3.08 |
3.89 |
1010000110 |
|
2.73 |
3.89 |
1011011001 |
| 3.27 |
3.80 |
1001010010 |
|
3.08 |
3.80 |
1001110111 |
|
2.73 |
3.80 |
1011001000 |
| 3.27 |
3.75 |
1001001011 |
|
3.08 |
3.75 |
1001101111 |
|
2.73 |
3.75 |
1010111111 |
| 3.27 |
3.73 |
1001001000 |
|
3.08 |
3.73 |
1001101100 |
|
2.73 |
3.73 |
1010111011 |
| 3.27 |
3.70 |
1001000011 |
|
3.08 |
3.70 |
1001100111 |
|
2.73 |
3.70 |
1010110101 |
| 3.27 |
3.64 |
1000111001 |
|
3.08 |
3.64 |
1001011101 |
|
2.73 |
3.64 |
1010101010 |
| 3.27 |
3.56 |
1000101101 |
|
3.08 |
3.56 |
1001001111 |
|
2.73 |
3.56 |
1010011011 |
| 3.27 |
3.55 |
1000101011 |
|
3.08 |
3.55 |
1001001110 |
|
2.73 |
3.55 |
1010011001 |
| 3.27 |
3.50 |
1000100100 |
|
3.08 |
3.50 |
1001000101 |
|
2.73 |
3.50 |
1010010000 |
| 3.27 |
3.27 |
1000000000 |
|
3.08 |
3.27 |
1000011111 |
|
2.73 |
3.27 |
1001100101 |
| 3.27 |
3.10 |
0111100101 |
|
3.08 |
3.10 |
1000000011 |
|
2.73 |
3.10 |
1001000101 |
| 3.27 |
3.08 |
0111100010 |
|
3.08 |
3.08 |
1000000000 |
|
2.73 |
3.08 |
1001000001 |
| 3.27 |
2.73 |
0110101011 |
|
3.08 |
2.73 |
0111000101 |
|
2.73 |
2.73 |
1000000000 |
|
|
|
