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Ford Galaxy Mk3 Forum:

Author Topic: Tow Bar wiring  (Read 1639 times)

Offline flummoxed

  • *
  • Posts: 2
  • Thanked: 0
  • Model: Galaxy Mk3
  • Spec: 10 tdi
  • First Name: stuart
  • Region: South East
Tow Bar wiring
« on: June 09, 2017, 04:33:37 PM »
I'm installing a towbar and electrics on my Galaxy Mk3 . All OK except for stop lamp supply to the tow socket. I've picked up the cable to the L/H stop light and connected to the tow socket but as soon as I plug in the L/H lamp trips out and there is no supply to the socket.
Any Ideas please?


Offline johnnyroper

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  • Posts: 2982
  • Thanked: 150
  • Model: Galaxy Mk2
  • Spec: 02 tdi 115 ghia
  • Region: South West
  • Country: United Kingdom
Re: Tow Bar wiring
« Reply #1 on: June 09, 2017, 07:10:52 PM »
By trip out do you mean fuse blows when pressing brake?

If so have you anything connected to tow socket at time?

If it's when something connected there is short on trailer/van if when nothing connected problem with wiring to socket so best check no pinched/damaged cables either in socket or where goes through body down to tow bar. It's just a case of re-tracing your steps.

Offline flummoxed

  • *
  • Posts: 2
  • Thanked: 0
  • Model: Galaxy Mk3
  • Spec: 10 tdi
  • First Name: stuart
  • Region: South East
Re: Tow Bar wiring
« Reply #2 on: June 09, 2017, 09:58:46 PM »
thanks -i'll retrace my steps. the fuse hasn't blown though. the stop light on the car extinguishes but re-sets when ignition is turned on /off again if the tow socket is disconnected

Offline Mirez

  • Pondering the next mod...
  • *
  • Posts: 3669
  • Thanked: 143
  • Model: Galaxy Mk2
  • Spec: 03 115PS Ghia
  • First Name: Mark
  • Region: South West
  • Country: United Kingdom
Re: Tow Bar wiring
« Reply #3 on: June 09, 2017, 10:01:58 PM »
You're overloading the BCM and it's shutting down the circuit. You MUST MUST MUST relay ALL the feeds, modern cars can't be tapped like older ones and IMO you've been lucky as I know a fair few installers who have blown the controllers!
03 Ford Galaxy 1.9 TDI 115 Ghia in Spruce Green Metallic
With cream leather interior, Full Bodykit, Remapped at 145bhp, Lowered on 18's
14 VW Tiguan 2.0 TDI 177 AWD R-Line in Deep Black Pearl
With panoramic sunroof, bi-xenon headlights remapped at 205bhp.
08 Ford Transit 2.2 TDI 115 in Frozen White
With retrofitted everything except another slidey door! :)

VCDS HEX/CAN - Scans/Coding done in Wiltshire in exchange for winegums! :)

 

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