How to connect Autel MaxiDAS DS708 to OBD II/non-OBD II vehicle

How to connect the genuine Autel MaxiDAS DS708 to a vehicle? The method used to connect Autel DS708 to a vehicle’s DLC depends on the vehicle’s configuration— with OBD II vehicle management system or not. This is about original Autel MaxiDAS DS708 connection. Hope it can help you out.


Ps. This connection tips are better for DS708 at


OBD II vehicles supply both communication and 12-volt power through a standardized J-1962 data link connection (DLC).

Non-OBD II vehicles supply communication through a DLC connection and sometimes supplies 12-volt power through the cigarette lighter receptacle or a connection to the battery.

a. OBD II Vehicle Cable Connection

OBD II adapter;
15-pin main cable;

autel-maxidas-ds708-15pin cable

1. Locate the required OBD II adapter and connect it into the 15-pin male connector of the main cable.
autel-maxidas-ds708-15pin cable-connection-1
2. Connect the cable’s 15-pin female adapter to the DB 15-pin port on the top of the scan tool. Finger tighten the connecting screws.
autel-maxidas-ds708-15pin cable-connection-2
4. Connect the cable’s OBD II adapter into the vehicle’s DLC, located under the vehicle dash
autel-maxidas-ds708-15pin cable-connection-3
NOTE: Extension cable can be used between the scan tool and the 15-pin main cable.
b. Non-OBD II Vehicle Cable Connection

three possible conditions for Non-OBD II Vehicle Cable Connection:
1) DLC connection supplies both communication and power;
2) DLC connection supplies communication, and power is to be supplied via cigarette lighter connection;
3) DLC connection supplies communication, and power is to be supplied through cable connection to vehicle battery.

-Condition 1

the vehicle-specific OBD I adapter;
the 15-pin main cable;

1. Locate the required OBD I adapter and connect the adapter’s 15-pin adapter to the cable’s 15-pin male adapter.
2. Connect the cable’s 15-pin female adapter to the DB15 port on the top of the scan tool. Finger tighten the connecting screws.
3. Connect the main cable’s OBD I adapter into the vehicle’s DLC.

autel-maxidas-ds708-15pin cable-connection-4

-Condition 2
If the DLC connection does not supply power to the scan tool, connection to the cigarette lighter receptacle will be needed.

Clipper cable;

autel-maxidas-ds708-clipper cable

1. Connect the clipper cable with the scan tool.
autel-maxidas-ds708-cigarette lighter-connection-1
2. Connect the cable’s power plug into the vehicle’s cigarette lighter receptacle.
autel-maxidas-ds708-cigarette lighter-connection-2
NOTE: The vehicle’s DLC is not always located under the dash as shown above.
NOTE: Some adapters may have more than one adapter or may have test leads instead of an adapter. Whatever the case, make the required connections to the vehicle’s DLC.

-Condition 3
If the clipper cable connection does not provide power either, connection to the vehicle’s battery is necessary.

cigarette lighter;
clipper cable;

autel-maxidas-ds708-clipper cable-cigarette lighter

1. Connect the cigarette lighter to the clipper cable.
autel-maxidas-ds708-cigarette lighter-connection-3
2. Connect the clipper cable to the vehicle’s battery.

NOTE: The vehicle’s battery is usually located beside the engine.
NOTE: Please connect the red clipper to the anode and the black clipper to the cathode.

WARNING: The clippers might be hot after use. Be careful not to be burnt.

You can conveniently obtain power supply through power adapter connection to the scan tool if any power socket is within reach.
autel-maxidas-ds708-cigarette lighter-connection-4