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105 replacement parts issue

Mahery01

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Feb 9, 2025
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australia
Hi guys Brad here from nth qld thanks for adding me to your group .
So with all the rain around serving and repairs are being done . I have a 2004 hzj105 series wagon and has been on the blocks for 12 months . The issue being the main engine room wiring harness which had earthed out through a isolation switch that was off the starter motor for mine spec . This didn't stop the vehicle it was spotted during a service . I'm trying everything in my power to not go through Toyota direct but struggling to find a replacement if anyone could help out the part number is 82121-6A840j-1
 

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Show us the switch , seems very likely to me that Toyota buy them in from a third party .
 
Hi Shayne I'm not at home at the moment to get a pic but the switch will be by passed it's the actual wiring harness I'm chasing
 
Then surely all you need to do is remove the switch and connect the wires to and from it ?

Isolation switch is just a breaker and taking it out is like removing a fuse
 
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Hi Lorin yer I've tried both and neither are able to get the part . Looking more and more like Toyota is the only way

In which case I would suggest a cheaper option is to get an auto-electrician to build the part of the harness you need
 
YYY
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