Looking for a complete wiring diagram

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Pavement Tested

Member
I've been searching and have been unable to find a complete wiring diagram for a 5th gen T4R. I found and downloaded the repair manual available on here but it is about the most cumbersome thing I've ever laid eyes on and so far as I can tell, it lacks a full diagram, or any wiring diagrams really.

I added a light bar and got a factory looking switch for it from Cali Raised. I need to figure out what wires to tap for the backlighting in the switch. I want to use the signals from another switch on the dash. The best choice due to location I chose is the washer fluid heater switch since it has a back light.

Any help would be appreciated. Thanks.
 
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Pavement Tested said:
I've been searching and have been unable to find a complete wiring diagram for a 5th gen T4R. I found and downloaded the repair manual available on here but it is about the most cumbersome thing I've ever laid eyes on and so far as I can tell, it lacks a full diagram, or any wiring diagrams really.

I added a light bar and got a factory looking switch for it from Cali Raised. I need to figure out what wires to tap for the backlighting in the switch. I want to use the signals from another switch on the dash. The best choice due to location I chose is the washer fluid heater switch since it has a back light.

Any help would be appreciated. Thanks.
Click to expand...

I want the electrical section also! I have a repair manual but it's not the complete version. There is no index either so it's a mother f_cker looking through to find the right section.
 
Pavement Tested said:
I've been searching and have been unable to find a complete wiring diagram for a 5th gen T4R. I found and downloaded the repair manual available on here but it is about the most cumbersome thing I've ever laid eyes on and so far as I can tell, it lacks a full diagram, or any wiring diagrams really.

I added a light bar and got a factory looking switch for it from Cali Raised. I need to figure out what wires to tap for the backlighting in the switch. I want to use the signals from another switch on the dash. The best choice due to location I chose is the washer fluid heater switch since it has a back light.

Any help would be appreciated. Thanks.
Click to expand...

The wiring diagrams are available on TIS (Toyota Information System) if you are willing to pay the subscription fee. TIS

That is what the dealer uses. Sometimes you can talk the dealer into printing out sections for you.
 
What you guys want is the EWD (Electrical Wiring Diagram) book... well it used to be a separate book back in the day. You'd have your FSM and your EWD books in your library in the backroom. Now it's all on TIS... though I wonder if you can still order print books?
 
Brandonium said:
Did you ever get your hands on this? Looking for some clarity on the 2020+ hazard warning switch diagram.
Click to expand...

Nope. The more I cruise around this forum the more I get the impression most folks are bolt on buddies and don't get real into the weeds on technical stuff.

BlackWorksInc said:
What you guys want is the EWD (Electrical Wiring Diagram) book... well it used to be a separate book back in the day. You'd have your FSM and your EWD books in your library in the backroom. Now it's all on TIS... though I wonder if you can still order print books?
Click to expand...

I have been unable to find anything available in print for a 5th gen T4R. I would absolutely LOVE to be able to buy a paper service manual but I'm pretty old school that way.
 
Pavement Tested said:
Nope. The more I cruise around this forum the more I get the impression most folks are bolt on buddies and don't get real into the weeds on technical stuff.



I have been unable to find anything available in print for a 5th gen T4R. I would absolutely LOVE to be able to buy a paper service manual but I'm pretty old school that way.
Click to expand...

Gee for someone who casts shade, you’d think you’d know how to pick up a test light and pin out the leads yourself.
 
Back in 2000 when we bought our Tundra, the back page of the owners manual had a form for a set of maintenance and repair manuals. I sent in my $75 and got a set. I've made good use of them over the last 20+ years. I wish they were available for our 2013 4Runner.
 
 
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jp.vegas said:
Gee for someone who casts shade, you’d think you’d know how to pick up a test light and pin out the leads yourself.
Click to expand...

Touched a nerve I see. If you're such and expert, why don't you provide some assistance instead of making assumptions about things you know nothing about?

I encourage you to "throw a test light" on a connector for one of these and see what you get for results.

Captain Spalding said:
Now that hurts. * sniff *

Look for the watermark at the lower right corner.
https://www.thesamba.com/vw/archives/info/wiring/181_Wiring_Diagram_4-73.pdf

https://www.thesamba.com/vw/archives/info/wiring/181_Current_Flow_Diagram_4-73.pdf

https://www.thesamba.com/vw/archives/info/wiring/Thing_Eberspacher_BN4_Heater_Wiring.pdf

https://www.thesamba.com/vw/archives/info/wiring/Dual Circuit Brake Switches and Warning Light.pdf

https://www.thesamba.com/vw/archives/manuals/thing_tune-up/Thing_Tune-up_Cheat_Sheet.pdf
Click to expand...

Oh, don't be so hard on yourself. You very well may not be part of the "most" I mentioned. I leave it up to the reader to classify what group they self identify with. Lol.

Those are very good looking schematics. Full color, easy to read, very nice indeed. I just wish I was needing to work on my vintage VW.
 
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