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2

CONNECTING THE WIRES

■ 

Explanation of wires

1

2

Type 

C

If you are not using the diagnostic monitor connector

If you are wiring directly cut off and insulate all wires at the base of the OBD connector.

1

10

mm

2

3

4

5

If you wish to use PT6 in combination with products in our 3-drive Series or other OBD products,  the “OBD2 Wiring Kit OBD-EH”  (sold separately) makes installation a snap.For 
more details about using combinations of products see here. 

 

https://pivotjp.com/obd-e/

Note: When using PT6 with products mentioned above, they can only be used together in compatible model vehicles for both products.

About Using OBD Products in Combination

When another device is already 
connected to the RPM signal 
from the ECU

To get the RPM  
signal from other 
than the ECU

Orange wire

This wiring is to use the lowest bright-
ness for the shift lamp when only the 
parking lights are on; hence neither 
the dial or the needle will be it up 
when running with parking lights on.

(Some of TOYOTA, DAIHATSU and MINI)

Connect to the Power and RPM signal

Car models with a 

 or 

 mark in the 

“ECU Wiring Diagram List”

e.g.) For a 6 cylinder car, the reading should be 
3000 rpm, but display shows 500 rpm.

This may be caused by the individual wiring system 
of that model of car. Change the cylinder setting to 
“1”. (See page 3  

SETTING A

  for details.)

To get the RPM signal from diagnosis

(check connector)

To get the RPM signal from
the ignition coil

Type 

A

Type 

B

For Popular Models (other than TOYOTA, DAIHATSU and MINI)

= Use cut connector (or solder)

... and that device works properly keep that wiring.
... and the meter or other device stops working properly or sometimes becomes unstable disconnect 
from the ECU wire and get the RPM from the minus terminal of ignition coil or diagnosis. (Follow the 
directions as written below)

When connecting the RPM signal to the 
ignition coil or diagnosis and the indicated 
rpm on the meter may be obviously lower than 
the actual rpm as shown on tachometer.

If you unable to get a grip

 

on the distended portions.

Make sure to grip the distend-
ed portions when pulling it out 
or inserting it.

Do not pull on the wires 
when trying to remove the 
connector; the wires may 
become disconnected.

CAUTION

Reference 1

Notes about using the OBD Connector

With some car models 
it may be dif fi c ult to 
get a good grip on the 
connector.

Peel off about 10mm of vinyl covering from the tip of 
the black wire.
Bend the outside wires around the core to make the 
wire thicker.
Crimp down on the earth terminal.
Connect it to a earth screw.

1.

2.

3.
4.

Reference 3

How to use provided earth terminal

Reference 2

How to use the Cut Connectors

Note: When crimping, please use crimpers or use pliers to bend and then solder together.

Peel off of the vinyl 
cover at connection.

Peel off of the vinyl 
cover at the end of 
the product’ s wire.

Wrap around both 
wire coils.

Close tightly with 
cut connector.

I n s u l a t e   w i t h  
vinyl tape.

I n s u c h c a s e , p u l l 
out the connector by 
pulling on the end of 
the zip tie. 

 

(There is usually no need to make wire)

OBD
Connector

Connect to the diagnostic
monitor connector

4-pin
connector

Backside

Red

Red

Red

Black

Black

Black

White

White

White

OBD
Connector

Connect to the diagnostic
monitor connector

Cut off
at the base

Insulate the cut
off part with tape

White

TA

ECU

Engine Computer,

etc.

4-pin
connector

Backside

Red

Red

Red

Black

Black

Black

White

White

White

OBD

connector

To meter

Cut off at the base

Red

Red

Red

Black

Black

Black

White

White

White

Earth

IGN

 (or Normal power)

TA

ECU

Engine Computer,

etc.

4-pin
connector

Backside

Cut connector

White
extension wire

Insulate the cut off 
part with tape

Color

Red

Black
White

Orange

Wiring place

I G N

G N D

TA

Illumi

Details

12V with key switch ON

 (or Normal power)

Screw to gain earth, etc

RPM signal

12V with parking lights ON

Orange

Parking
light

4-pin
connector

Backside

e.g.) in case of
MAZDA EUNOS
ROADSTER
(NA6C)

White wire

To meter

Location of the
RPM signal (IG

)

Ignition coil

White wire

To meter

10

mm

Crimp down

Cut the black tube of the wire tip and connect.

(See Note 1)

(See Note 1)

Note 1

: If the white wire is not long 

enough, please use the white wire 
provided in this package to extend 
the length. 

See 

Reference 2

 on Page 2

.

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