How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Eric Your Own Question
Eric, Automotive Repair Shop Manager
Category: Dodge
Satisfied Customers: 29713
Experience:  20+ yrs. experience as repair shop manager and technician.
Type Your Dodge Question Here...
Eric is online now
A new question is answered every 9 seconds

99 dodge caravan: diagram..the data link connector..scanner

This answer was rated:

99 dodge caravan need a wirring diagram for the data link connector. have no communication to the scanner.



Below is wiring diagram for computer data lines, including the DLC:



Customer: replied 7 years ago.
this diagram helped me but i still need to know what voltage comes out of pin 16 and pin 3 and pin 7 wich all look to be +, The problem I am having is no communication to engine and abs. I do have communication with the body control module, The type of scanner I am using is a snap on modis



all you initially asked for was a wiring diagram, which I provided.


Pin 16 is battery voltage

pin 3 is CCD Bus voltage

pin 7 is SCI transmit





Here is ABS test for no communication:




The no comuunication test for PCM/ECM is longer, so I put it in pdf file format(adobe reader)


Click to open and download> NO COMMUNICATION TEST

Eric and 2 other Dodge Specialists are ready to help you

Related Dodge Questions