Help Identifying a Wire on the Column 74 40. (1 Viewer)

[h82crash]

I am getting closer to the finish line on my frame-off. I have a wire with a bullet connector on the switch side of my turn signal/dimmer switch. It is green/white. There is no connector on the harness side and it's been over a year since I removed it, so I don't remember if it was connected to anything. It does not have wear marks ans is completely tarnished as if it were not connected anytime recently.

A total of 10 wires come from the switch. 3 for the dimmer and 7 for the turn signals. Per one schematic, the G/W wire connects to the brake light wire after the brake switch for a combo light. Another schematic shows a 7th wire from the turn signal switch not used and none of the other wires are G/W.

My taillight assemblies are the separate turn and brake lamps, not a combo lamp. I am assuming it is unused. But we all know what assuming get us.

 

[locklaw]

Likely the horn button wire. Something needs to ground the connection when you press on the button. Later columns did not have the wire in the tube like earlier ones.

 

[h82crash]

Likely the horn button wire. Something needs to ground the connection when you press on the button. Later columns did not have the wire in the tube like earlier ones.

Hmm. I'll get the multimeter and check that.

Edit: No continuity between the horn contact wiper and this connector.

 

[1MAC]

I think my 77 has a wire like that that just swings in the breeze. Doesn't connect to anything, but all my switches and lights work fine.

 

[h82crash]

Yeah, the horn wire is in the six terminal connector block. This wire seems to be unused.

 

[OlYellr]

I looked at a wiring diagram for the 74 - looks like Green wire with white. Goes between the Turn Signal Flasher (#15 in image) and Hazard Warning Signal (#49 in one of the images) - only looking for Green/White wire in the diagram - nothing more. Added whole thing with blue arrows and didn't compress much so you can copy and zoom as needed (if needed).

For what it is worth.

 

[h82crash]

I appreciate your help. I have been looking at that diagram. Since this wire is coming from the signal/dimmer switch, component 29. I looked there and it shows a G/W going to the brake switch. My harness has some differences with that diagram, as well. It's a 10/74 build and I am realizing not it has some similarities with the 75 diagram. The 75 diagram appears to have been drawn by a different technician, as it shows the dimmer and signal switches separately and none are G/W. My flasher and hazard switch are connected to the harness, without a stray or missing wire. I think this wire is an anomaly.

 

[ginmtb]

I have a 9/74 and have a GW wire capped off dangling too:

Builds - Won a '74 40 on a coin toss...

I was in Vegas this week for a big insurance and risk management conference. We had dinner with one of our larger customers one night. First time meeting them, I was introduced to the future controller and before we even got in the restaurant, somehow he shared he had a '77 FJ40 that he wanted...

forum.ih8mud.com

When I unwrapped my harness, I noticed a cut off GW inside there but at the time didn't think much of it, because the horns were really loud Turns out only one of my horn wires worked. Not sure if this wire went to that or not...

 

[ToyotaMatt]

its a DORMANT NON-USA use male bullet

cap it off

 

[teleskier]

Wonder of this is the wire that would be hot in a Glow ignition switch... so a non-us diesel.

 

[h82crash]

its a DORMANT NON-USA use male bullet

cap it off

Thanks!

 

[ToyotaMatt]

I am getting closer to the finish line on my frame-off. I have a wire with a bullet connector on the switch side of my turn signal/dimmer switch. It is green/white. There is no connector on the harness side and it's been over a year since I removed it, so I don't remember if it was connected to anything. It does not have wear marks ans is completely tarnished as if it were not connected anytime recently.

A total of 10 wires come from the switch. 3 for the dimmer and 7 for the turn signals. Per one schematic, the G/W wire connects to the brake light wire after the brake switch for a combo light. Another schematic shows a 7th wire from the turn signal switch not used and none of the other wires are G/W.

My taillight assemblies are the separate turn and brake lamps, not a combo lamp. I am assuming it is unused. But we all know what assuming get us.

View attachment 3319074

Likely the horn button wire. Something needs to ground the connection when you press on the button. Later columns did not have the wire in the tube like earlier ones.

I looked at a wiring diagram for the 74 - looks like Green wire with white. Goes between the Turn Signal Flasher (#15 in image) and Hazard Warning Signal (#49 in one of the images) - only looking for Green/White wire in the diagram - nothing more. Added whole thing with blue arrows and didn't compress much so you can copy and zoom as needed (if needed).

For what it is worth.

View attachment 3319773

View attachment 3319774

View attachment 3319777

I have a 9/74 and have a GW wire capped off dangling too:

Builds - Won a '74 40 on a coin toss...

I was in Vegas this week for a big insurance and risk management conference. We had dinner with one of our larger customers one night. First time meeting them, I was introduced to the future controller and before we even got in the restaurant, somehow he shared he had a '77 FJ40 that he wanted...

forum.ih8mud.com

When I unwrapped my harness, I noticed a cut off GW inside there but at the time didn't think much of it, because the horns were really loud Turns out only one of my horn wires worked. Not sure if this wire went to that or not...

I appreciate your help. I have been looking at that diagram. Since this wire is coming from the signal/dimmer switch, component 29. I looked there and it shows a G/W going to the brake switch. My harness has some differences with that diagram, as well. It's a 10/74 build and I am realizing not it has some similarities with the 75 diagram. The 75 diagram appears to have been drawn by a different technician, as it shows the dimmer and signal switches separately and none are G/W. My flasher and hazard switch are connected to the harness, without a stray or missing wire. I think this wire is an anomaly.

Wonder of this is the wire that would be hot in a Glow ignition switch... so a non-us diesel.

\


see my TECH photos below

these ARE oem TOYOTA japan spec FJ40 switches ,

NO CHINA CRAP !


they explain if u study them carefully


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[ToyotaMatt]