JapCarForum Car Manufacturers Lexus/Toyota IS200 / IS300 / SPORTCROSS / Altezza fitting heated, electrically adjusted, leather seats to a 'poverty' spec IS200

fitting heated, electrically adjusted, leather seats to a 'poverty' spec IS200

fitting heated, electrically adjusted, leather seats to a 'poverty' spec IS200

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S
Banned
1,153
28-09-2018, 11:08 AM
#1
Evening all,

Right as many of you know I bought I 2005 full leather interior (thanks again bash)

I've read Jason's guide on the other forum and basically I don't have the 'spare' connection block on my loom.

So basically can anyone tell what colour wires need to go where? I've read Jasons instructions and they aren't making sense in my head! Lol!

Any help would be great!

Thanks

Stix
S
28-09-2018, 11:08 AM #1

Evening all,

Right as many of you know I bought I 2005 full leather interior (thanks again bash)

I've read Jason's guide on the other forum and basically I don't have the 'spare' connection block on my loom.

So basically can anyone tell what colour wires need to go where? I've read Jasons instructions and they aren't making sense in my head! Lol!

Any help would be great!

Thanks

Stix

S
Banned
1,153
30-09-2018, 02:11 AM
#2
Right, ive got the chairs adjusting electrically by running a fused live direct from the battery.

Does anyone know where I need to wire the heated elements to?

I've traced the wires back from the switches but I get so far and I get to a connection block in the footwell and I cant trace it any further.

Any help would be great!
S
30-09-2018, 02:11 AM #2

Right, ive got the chairs adjusting electrically by running a fused live direct from the battery.

Does anyone know where I need to wire the heated elements to?

I've traced the wires back from the switches but I get so far and I get to a connection block in the footwell and I cant trace it any further.

Any help would be great!

Rabster
Posting Freak
10,234
30-09-2018, 02:49 AM
#3
at a guess it should also be a live from the battery well ignition anyway hmmm



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Rabster
30-09-2018, 02:49 AM #3

at a guess it should also be a live from the battery well ignition anyway hmmm




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S
Banned
1,153
30-09-2018, 03:05 AM
#4
I had thought about taking the live from the ignition, I think ill move it tomorrow.

What I mean about the heated part is how do I wire it to the switches? Surely if I wire the heated part of the seat to the ignition live they would be constantly heated?
S
30-09-2018, 03:05 AM #4

I had thought about taking the live from the ignition, I think ill move it tomorrow.

What I mean about the heated part is how do I wire it to the switches? Surely if I wire the heated part of the seat to the ignition live they would be constantly heated?

sprinter2012
Posting Freak
2,484
30-09-2018, 04:35 AM
#5
I'm pretty sure P.Lindblom did a thread on this when he retro fitted heated seats into his IS200. But you're right, if you wire them to ignition they will be on all the time, so you will need to get the heated seat switches that go in the centre console off a scrapped car.
sprinter2012
30-09-2018, 04:35 AM #5

I'm pretty sure P.Lindblom did a thread on this when he retro fitted heated seats into his IS200. But you're right, if you wire them to ignition they will be on all the time, so you will need to get the heated seat switches that go in the centre console off a scrapped car.

toxo
Posting Freak
4,843
30-09-2018, 04:52 AM
#6
You can't wire them directly off an ignition circuit, it needs to be via a relay. Stock wiring is something like a battery live via a 30A fuse and the switches are just latching switches that engage a relay to provide power to the seats. If you wire the heater elements directly to the ignition live circuit you'll fry things, they are way too high current.
toxo
30-09-2018, 04:52 AM #6

You can't wire them directly off an ignition circuit, it needs to be via a relay. Stock wiring is something like a battery live via a 30A fuse and the switches are just latching switches that engage a relay to provide power to the seats. If you wire the heater elements directly to the ignition live circuit you'll fry things, they are way too high current.

S
Banned
1,153
30-09-2018, 05:09 AM
#7
Yeah I thought as much, that's why I tried tracing the wires back from the switches but without success. Anyone got a link the lindblom thread?
S
30-09-2018, 05:09 AM #7

Yeah I thought as much, that's why I tried tracing the wires back from the switches but without success. Anyone got a link the lindblom thread?

S
Banned
1,153
02-10-2018, 11:19 AM
#8
evening all,

just to let you know i have the seats in and adjusting Smile

although i did run into another problem! the seat belt clips are different sizes! so i had to remove the clips from the original seats and then put them onto the leathers!

im still trying to find where to wire up the seat heaters to, so if anyone has any ideas that would be a great help!

i think if i ever manage to do this ill have to make a guide and someone can sticky it!
S
02-10-2018, 11:19 AM #8

evening all,

just to let you know i have the seats in and adjusting Smile

although i did run into another problem! the seat belt clips are different sizes! so i had to remove the clips from the original seats and then put them onto the leathers!

im still trying to find where to wire up the seat heaters to, so if anyone has any ideas that would be a great help!

i think if i ever manage to do this ill have to make a guide and someone can sticky it!

Stoney
Posting Freak
2,117
02-10-2018, 11:26 AM
#9
As Toxo said, it will be through a relay activated by the switch. I would have thought most of the wiring would be there in the stock loom though. I guess you need someone with them fitted to compare the relay location and wiring really. Have you tried the online manual for reference? Most of the electrical systems are broken down in there, if I remember correctly? Best of luck with it.

[Image: tempsig2.jpg]
Confusedad: It was a tough call to make, but the Supercharged IS200 is being retired. Confusedad:
Stoney
02-10-2018, 11:26 AM #9

As Toxo said, it will be through a relay activated by the switch. I would have thought most of the wiring would be there in the stock loom though. I guess you need someone with them fitted to compare the relay location and wiring really. Have you tried the online manual for reference? Most of the electrical systems are broken down in there, if I remember correctly? Best of luck with it.


[Image: tempsig2.jpg]
Confusedad: It was a tough call to make, but the Supercharged IS200 is being retired. Confusedad:

Stoney
Posting Freak
2,117
02-10-2018, 11:27 AM
#10
Just out of interest, do you have the airbags wired in?

[Image: tempsig2.jpg]
Confusedad: It was a tough call to make, but the Supercharged IS200 is being retired. Confusedad:
Stoney
02-10-2018, 11:27 AM #10

Just out of interest, do you have the airbags wired in?


[Image: tempsig2.jpg]
Confusedad: It was a tough call to make, but the Supercharged IS200 is being retired. Confusedad:

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