Hi All,

When my trailer is connected to the cars electrical connector, with the exception of the trailers indicators, all the lights work (the trailer lights are fine - tested on another vehicle).  Also, the cars rear indicator lights dont work when the trailer is connected (front inds are fine).

 

As the bolts were very corroded, I managed to brake the cars electrical connector.  Inside the connector was a (microswitch PA66-GA15 on the housing and DC9 on the microswitch).

All the connector wiring seems to be fine, sockets and pins are clean.

Can anyone help? i dont want to replace the OE equipment with a unit from Halfords.

All help is appreciated

Mark

 

If the car rear indicators fail to work when the trailer is connected then that would suggest to me that there was a fault in the trailer wiring.  I know you said they worked when attached to another car, but maybe both the trailer and other car are wired up incorrectly.

 

Does the Octy have an additional relay/sounder unit which beeps when the trailer indicators are operational (or should be illuminated)?

 

Is it a factory fit towbar, or 3rd party?

 

If you place a voltmeter across the necessary connectors on the towbar socket and operate the indicators do you see +12v for the left and right bulbs?

 

I am not sure what this microswitch you talk about it?

If the towbar is oe, then the microswitch is probably a rear fog lamp cut off for the vehicle lamps when the trailer is connected.