What relay plugs in here?

[Rob Gaskin]

Hi Guys, as mentioned elsewhere I'm working through my 240Z wiring. This is an unused connector from the dash loom and it's situated near to the relay panel in the driver's footwell. It looks to me like it should have (in some markets) a relay plugged in here.
It has red/blue and red/white wires which I assume connect to the coil of the relay and then heavy duty red and white/red wires which again I assume will supply power to something.

 

[toopy]

I don't know what its for, but that looks like a 4 pin wiring connector, not a relay socket.

 

[MaximG]

Whereabouts is it? Left Right Centre?

 

[Rob Gaskin]

Whereabouts is it? Left Right Centre?

It's by the Accessory Relay at the top of the panel. Note male/female reversed to avoid wrong connection.

 

[240Z Man]

I think you find those wires go to your rear heated screen and interior light as I have been making a new loom for my project

 

[Albrecht]

This is an unused connector from the dash loom and it's situated near to the relay panel in the driver's footwell. It looks to me like it should have (in some markets) a relay plugged in here.
It has red/blue and red/white wires which I assume connect to the coil of the relay and then heavy duty red and white/red wires which again I assume will supply power to something.

Is your 'Passing Switch' connected/working? Momentary main beam headlamp flasher knob on the end of the indicator stalk. The wiring colours you mention sound like the relay for that.

 

[Paul_S]

I've been looking back through all the photos I took when I removed my dash. I think it goes to this relay:



But I'm not sure what it does!

 

[Rob Gaskin]

Is your 'Passing Switch' connected/working? Momentary main beam headlamp flasher knob on the end of the indicator stalk. The wiring colours you mention sound like the relay for that.

Hi Alan, that relay is over on the other side all on it's own. I've been able to trace that circuit thanks. I hate not knowing the circuits on old cars that may need attention.

I don't even try with modern cars (or worry about them).

 

[Rob Gaskin]

I think you find those wires go to your rear heated screen and interior light as I have been making a new loom for my project

I think that is the Accessory Relay which feeds the HRW and Blower. Perhaps you are looking at the wrong connector in my last pic. The connected relay is the one you mentioned. I'm trying to establish what the one with black tape on is for.

 

[Albrecht]

Hi Alan, that relay is over on the other side all on it's own. I've been able to trace that circuit thanks. I hate not knowing the circuits on old cars that may need attention.

So what's not working? If everything you can think of is connected and working OK (including the radio and power antenna) that would only leave redundant/unused accessory type items not normally fitted to UK market HS30 models.

Only things I can think of are the taped-off wires in the dash loom for the electric fuel pump (but that's only two wires) and the factory fog lamp wiring.

Is this a late '72 or '73 build car? I don't think there was a specific factory wiring diagram for the UK market HS30 models.

 

[Rob Gaskin]

I'm not fault finding I'm just trying to tidy-up and simplify the wiring - nearly there (ha ha).

I know from my rallying days that reliable electrics are important and good diagrams for fault finding are essential. I will draw my diagram when finished - the only ones I can find are very inaccurate and it's all over the internet that they are rubbish so I'm not alone.

 

[Rushingphil]

I've been looking back through all the photos I took when I removed my dash. I think it goes to this relay:

View attachment 37161

But I'm not sure what it does!

I believe Paul_S is correct!

I've started to take my dash out today so also took loads of pics - unfortunately half way through I received a new phone so the posted picture is a photo from my old phone!!

The plug connects into relay Jideco 25230 89903 which I believe is the indicator relay.

The other relay mentioned 26230 - E4100 I 'think' is the rear hatch heater relay - but I may be wrong

 

[Rushingphil]

And here's a better picture of it in situ:

 

[Paul_S]

I think we're getting there! When I did a search for that relay it came back as the one for the heated rear screen.

 

[Rushingphil]

I think we're getting there! When I did a search for that relay it came back as the one for the heated rear screen.

I may be wrong! - But I have exactly the same relay on the passenger side - and I only have one rear screen

 

[Albrecht]

But if Rob's indicators, 4-way flashers/hazards and - apparently - everything else you'd normally expect to work is working, how can this taped-off plug be one of them?

 

[Rushingphil]

But if Rob's indicators, 4-way flashers/hazards and - apparently - everything else you'd normally expect to work is working, how can this taped-off plug be one of them?

Very true! Only trying to show where that connector goes to on my car

 

[Paul_S]

I may be wrong! - But I have exactly the same relay on the passenger side - and I only have one rear screen

Apparently the same relay can be used for the horn, and that's on the left hand side.

 

[Rushingphil]

Apparently the same relay can be used for the horn, and that's on the left hand side.

I believe this is my horn relay, also on the left hand side:

 

[Paul_S]

Yes that's the horn one. From what I read, later part numbers are interchangeable between the horn and heated screen relays. I've no direct experience of that myself though.