QT Trailer

How to Install a Trailer Brake
Controller Quick Tip
Touareg and Atlas, Cross Sport, ID4
Quick tip
Version 1.3
03/07/21
Atlas, Cross Sport, ID4- Trailer Brake Controller Harness. Vehicles with PR Code 1D6 only
Blue = Factory installed harness and connector (part of body harness)
Yellow = Dealer made harness and aftermarket trailer brake controller (under dead pedal on driver floor)
Green = Trailer electrics module
Dark Blue = 7 pin trailer harness connector
Under dead pedal on driver floor.
Image shown is for representation purposes only.
© 2021 Volkswagen Group of America, Inc.
Page 2 of 4
ver1.2
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Volkswagen Group
of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted
in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the
publisher.
Quick tip
Actual product may be different on open market.
Version 1.3
03/07/21
Touareg Trailer Brake Controller and Harness
Blue = Factory installed harness and connector (part of body harness)
Yellow = Dealer made harness and aftermarket trailer brake controller (behind SC fuse panel in main body harness)
Green = Trailer electrics module
Dark Blue = 7 pin trailer harness connector
Image shown is for representation
purposes only.
Actual product may be different
on open market.
© 2021 Volkswagen Group of America, Inc.
4 pin connector is
wrapped in foam near
the vehicle electrics
module.
Page 3 of 4
ver1.2
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Volkswagen Group
of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted
in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the
publisher.
Quick tip
Version 1.3
03/07/21
Dealer created Adapter Harness Required for trailer brake controller.
Connecter Part Number
1J0972782- Touareg
1J0972732- Atlas, Cross Sport, ID4
1.
2.
3.
4.
Terminal Part Number
Splice Connector Part Number
000979228E X2 -Touareg
000979943 X4
000979226E X2 – Atlas, Cross Sport, ID4
000979943 X4
The blue wire (pin 4) is the trailer brake output from the brake controller back to the 7-pin connector.
The red/white wire (pin 2) is power for the brake controller.
The brown wire (pin 1) is ground for the brake controller.
The red/black (pin 3) is the brake light switch signal to the brake controller.
Image shown in the blue is
for representation purposes
only.
The area circled in red is the
dealer assembled harness.
© 2021 Volkswagen Group of America, Inc.
Page 4 of 4
Actual product may be
different on open market.
ver1.2
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Volkswagen Group
of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted
in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the
publisher.