Removal of PIR from circuit

[John oakley]

so I have an porch wall light that is switched inside the house which has a separate PIR outside the porch. I am removing the PIR completely (as it no longer was switching the porch light on so assumed the pir was defective as the external floodlight on the same pir wiring (next paragraph) is fine on the same switch) and have installed a new porch light. The porch light wiring was Red, Black and Earth so connected them accordingly however the pir has a red, yellow and blue come out of the wall into it.

An electrician friend of mine installed an exterior floodlight to the pir wiring a while back which he connected to the red and blue of the pir cables so that that came on with the interior switch and was on permanently. The pir was then purely to switch on the porch light when motion was detected.

My question is what do I do to this red, blue and yellow cable to make the porch light just come on with the switch indoors?

I’m stumped!

Thanks in advance

 

[John oakley]

When I put a multimeter across the red and yellow pir input cable and switch the switch indoors it increases to 240v across it.

 

[John oakley]

The switch Indoors only has a red and yellow wire in the back of it.

 

[MJPD29]

It's hard to tell without seeing it but if say the red is a permanent live yellow switched live and blue neutral, unless you have an override switch in place already for the pir you will need to install a switch or the light will be on all the time

 

[MJPD29]

Just read it and there is already a switch, my mistake. Join the switch live from the switch directly to the outgoing cable to the light

 

[John oakley]

Cheers. Yellow to red fixed it. Thanks for help