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Isf seats in an is300

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Old Feb 4, 2020 | 06:07 PM
  #1  
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Default Isf seats in an is300

Has anybody tried putting isf seats in an is300??
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Old Feb 5, 2020 | 08:13 AM
  #2  
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No, but i have a family member with an ISF, i should try it out one day and i'll let you know. im sure the brackets would be easy to make but the wiring might be a headache to figure out
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Old Mar 11, 2020 | 11:31 AM
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I'm looking this tread carefully. Because I always try to snip away an inch more headroom.
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Old Apr 22, 2020 | 06:39 PM
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Which gen is300 are you referring to? I have a 1G 2001 is300 with 2014 ISF Red seats installed. Both Driver and passenger working, however, I had the heat feature disabled.

Last edited by Tora; Apr 22, 2020 at 06:45 PM.
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Old Apr 22, 2020 | 07:59 PM
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Default 3is seat seap into 1is

Originally Posted by Tora
Which gen is300 are you referring to? I have a 1G 2001 is300 with 2014 ISF Red seats installed. Both Driver and passenger working, however, I had the heat feature disabled.
Hey Tora,
How did you get seats to move after the swap? Was rewiring difficult? Assume 3is seats were formally heated , cooled and auto movement?


Last edited by JEDIjeff; Apr 22, 2020 at 08:04 PM.
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Old Apr 23, 2020 | 09:35 AM
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Default Here are the seats

Originally, I had tan interior and it was in an awful state. I had everything converted from a 2004 and 2002 is300 part out..
*Door cards
*Rear seats
*Center storage compartment above the vents
*Arm rest, which turned out to easier to install than I thought. That low arm rest was a terrible design.
The steering wheel came from an is250, and yes, the pedal-shifter does work. Just switch the airbag igniter to the is300 model. Everything else bolts right up.

A friend (An Electrician, of course ) and I installed the seats. This was done about 2 years ago. We went thru testing every wire. It took about 2 hrs for the total install. We butt connected all the wiring. The driver side was installed first, since it had a few extra features compared to the passenger seat. I decided not to connect the heated seat feature, due to the fact it dries up the leather. Once we figured out the driver side, the passenger was a breeze. Also, got the lower lumber air feature to work for the driver seat. The front side of the seat brackets lined up perfectly, however the bolt holes on the backside of the bracket closet to the doors had to be drilled and tapped. The head rest of the seats can go beyond the roof, meaning it presses the headrest into the ceiling of the car. Not done yet, have two more items that I want to add and remove 1 that I now regret doing.




Last edited by Tora; Apr 23, 2020 at 09:40 AM.
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Old Jun 7, 2020 | 10:59 AM
  #7  
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Wow! This is a great job that you did!

I know for a fact the community has been dying to find a way to install other Lexus seats in our generation 1 is300. I would love to do the swabs well is there anyway you would be kind enough to take pictures and diagrams of your wiring?

Originally Posted by Tora
Originally, I had tan interior and it was in an awful state. I had everything converted from a 2004 and 2002 is300 part out..
*Door cards
*Rear seats
*Center storage compartment above the vents
*Arm rest, which turned out to easier to install than I thought. That low arm rest was a terrible design.
The steering wheel came from an is250, and yes, the pedal-shifter does work. Just switch the airbag igniter to the is300 model. Everything else bolts right up.

A friend (An Electrician, of course ) and I installed the seats. This was done about 2 years ago. We went thru testing every wire. It took about 2 hrs for the total install. We butt connected all the wiring. The driver side was installed first, since it had a few extra features compared to the passenger seat. I decided not to connect the heated seat feature, due to the fact it dries up the leather. Once we figured out the driver side, the passenger was a breeze. Also, got the lower lumber air feature to work for the driver seat. The front side of the seat brackets lined up perfectly, however the bolt holes on the backside of the bracket closet to the doors had to be drilled and tapped. The head rest of the seats can go beyond the roof, meaning it presses the headrest into the ceiling of the car. Not done yet, have two more items that I want to add and remove 1 that I now regret doing.



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Old Jun 8, 2020 | 06:17 AM
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We really didn't follow the diagram. We just kinda figured out which wire went to what. One by one, it really wasn't that hard. I will post pics for the wires underneath the seat. Maybe someone can post a wiring diagram? for both models. The seats were pretty hard to come across. But I will do what I can to help.

Last edited by Tora; Jun 8, 2020 at 01:40 PM.
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Old Apr 20, 2021 | 06:08 PM
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Originally Posted by Tora
Not done yet, have two more items that I want to add and remove 1 that I now regret doing.
Hey Now, hope you are still around these parts. I just found some grey seats to go in my sport design. What was left and what did you regret doing?

May be a general update on the front seats??? Did you ever do the heated or vented part? Anything suggestions?

Thanks
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Old Jan 12, 2022 | 08:08 PM
  #10  
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Hey do you have the pictures of the wires underneath the seat? Got the power to work but can't figure out the heated and ventilated seat part.
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Old Feb 25, 2022 | 05:29 AM
  #11  
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Originally Posted by Tora
Which gen is300 are you referring to? I have a 1G 2001 is300 with 2014 ISF Red seats installed. Both Driver and passenger working, however, I had the heat feature disabled.
can we see pictures please
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Old Feb 25, 2022 | 07:32 PM
  #12  
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Originally Posted by CalmguyJac
can we see pictures please
The pictures are right under the post... in this thread....
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Old Mar 13, 2025 | 09:50 PM
  #13  
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Originally Posted by Tora
Originally, I had tan interior and it was in an awful state. I had everything converted from a 2004 and 2002 is300 part out..
*Door cards
*Rear seats
*Center storage compartment above the vents
*Arm rest, which turned out to easier to install than I thought. That low arm rest was a terrible design.
The steering wheel came from an is250, and yes, the pedal-shifter does work. Just switch the airbag igniter to the is300 model. Everything else bolts right up.

A friend (An Electrician, of course ) and I installed the seats. This was done about 2 years ago. We went thru testing every wire. It took about 2 hrs for the total install. We butt connected all the wiring. The driver side was installed first, since it had a few extra features compared to the passenger seat. I decided not to connect the heated seat feature, due to the fact it dries up the leather. Once we figured out the driver side, the passenger was a breeze. Also, got the lower lumber air feature to work for the driver seat. The front side of the seat brackets lined up perfectly, however the bolt holes on the backside of the bracket closet to the doors had to be drilled and tapped. The head rest of the seats can go beyond the roof, meaning it presses the headrest into the ceiling of the car. Not done yet, have two more items that I want to add and remove 1 that I now regret doing.



Bringing this back from the dead. I just bought IS250 base model seats. I removed the 1IS passenger seat and tried to line up the new seat, but the rail bolt hole doesn't doesn't line up since the center console is in the way.
Did you have to reuse any parts from the 1IS seats so that the 3IS seats fit?
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Old Jan 26, 2026 | 10:31 AM
  #14  
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That looks good
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