Headlight Circuit Modification Gives Better Lts & No Dim Dip

Headlight Circuit Modification Gives Better Lts & No Dim Dip

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Penelope Stopit

Original Poster:

11,209 posts

111 months

Wednesday 21st November 2018
quotequote all
Disconnect and remove Dim Dip Control Unit ECU

Disconnect and remove Dim Dip Unit ECU



Join Red/Yellow to Blue/Red @ Dim Dip Control Unit ECU Plug



Dim Dip Is No Longer


If required

Improve headlight voltage supplies

Fit, fuse and wire 1 x Dip Beam Relay and 1 x Main Beam Relay at a chosen place within the front interior of the vehicle

Use Main Beam LH cable and Dip Beam RH/LH cable shown in the above diagram to activate the Dip and Main relays

Run new up-rated cables from relays to light units



For the more adventurous

Remove all rear lighting ECUs and build a complete new circuit as shown below



A small modification to the rear fog and side/tail light circuits is required, see below diagram and information









Edited by Penelope Stopit on Monday 13th December 08:02

Penelope Stopit

Original Poster:

11,209 posts

111 months

Thursday 18th November 2021
quotequote all
Flatplane8 said:
I don't know if this helps.......
Your method will help many

The above diagram is more for those that have faulty control units or wish to bin the lot and start again

Purely out of interest, did you have a problem with the dim dip circuit holding the dip beam relay in?

Penelope Stopit

Original Poster:

11,209 posts

111 months

Sunday 21st November 2021
quotequote all
Ok then, thank you for the reply

Penelope Stopit

Original Poster:

11,209 posts

111 months

Monday 13th December 2021
quotequote all
Cleaned up

Updated

All information is now in the opening post

Enjoy