 7AFE to 3SGE (non beams/turbo) Conversion, Is there anything that needs to be done to the loom? |
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 Aug 20, 2018 - 11:04 AM
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Enthusiast Joined Dec 23, '15 From Ireland Currently Offline Reputation: 1 (100%)  |
So I have a 3SGE with box, loom, shafts, ecu. Basically to do a straight swap into the 7AFE celica but curious to know if there is anything with the wiring i need to adjust. Trying to find details on it and its very hard to find anything. Any help would be appreciated.
As far as I can tell, its just dump straight in. I am aware of the engine mount being different, that's ok. Just the electrics I am more concerned about. Thanks in advance 
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Aug 27, 2018 - 8:35 PM
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 Enthusiast  Joined Mar 15, '07 From Tennessee Currently Offline Reputation: 52 (100%) |
there are a few guys here that have done the swap and you can read in detail, there are a few changes in the loom, at the EA1 plug, and maybe clutch pedal.
Assuming you have rhd car, there should be no reason for you to extend harness -------------------- Learned a lot in 10 years... I hardly log in anymore, last login Today Sept 6 2019, and I was forced just to clarify a post. LOL
If you PM me and I dont respond, dont fret or cry. Im alive, better post your questions in the thread below, maybe I log back in 2grfe Swapped... Why I chose the 2GR, before you ask read here... A great civilization is not conquered from without until it has destroyed itself from within. @llamaraxing in Instagram is the best way to find me. I hardly log here anymore. |
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Sep 16, 2018 - 2:07 AM
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Enthusiast Joined Dec 23, '15 From Ireland Currently Offline Reputation: 1 (100%) |
Thanks for that
the swap was a success! Car runs on its own power. I have a few minor problems which I can deal with fixing later but ATM the radiator fans kick in with accessories. Any thoughts as to why? The harness around the engine hasn't been touched so kinda confused why it would just kick in. I'll see about relay and make sure fuses are OK but no idea what it could be. |
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Sep 17, 2018 - 8:07 AM
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 Enthusiast Joined Aug 4, '06 From Chicagoland Currently Offline Reputation: 9 (100%) |
IIRC, if there is no signal from the temp sensor to the fans, they fail to the ON position. My GT4 was the same way due to a broken wire at the connector.
-------------------- ~bloodMoney
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Sep 17, 2018 - 5:23 PM
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Enthusiast Joined Mar 15, '07 From Tennessee Currently Offline Reputation: 52 (100%) |
QUOTE (Makarintosh @ Sep 16, 2018 - 2:07 AM)  Thanks for that the swap was a success! Car runs on its own power. I have a few minor problems which I can deal with fixing later but ATM the radiator fans kick in with accessories. Any thoughts as to why? The harness around the engine hasn't been touched so kinda confused why it would just kick in. I'll see about relay and make sure fuses are OK but no idea what it could be. What accessories, be more specific, I just went over my whole cooling system... -------------------- Learned a lot in 10 years... I hardly log in anymore, last login Today Sept 6 2019, and I was forced just to clarify a post. LOL
If you PM me and I dont respond, dont fret or cry. Im alive, better post your questions in the thread below, maybe I log back in 2grfe Swapped... Why I chose the 2GR, before you ask read here... A great civilization is not conquered from without until it has destroyed itself from within. @llamaraxing in Instagram is the best way to find me. I hardly log here anymore. |
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Sep 26, 2018 - 7:02 PM
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Enthusiast Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%) |
if I remember correctly, the water temp sensor was backwards polarity to the 7A and 5S/3S in other words when one is open, the other is closed. and the computer gets confused.
-------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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Sep 29, 2018 - 2:05 PM
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Enthusiast Joined Dec 23, '15 From Ireland Currently Offline Reputation: 1 (100%) |
QUOTE (njccmd2002 @ Sep 17, 2018 - 6:23 PM) QUOTE (Makarintosh @ Sep 16, 2018 - 2:07 AM) Thanks for that the swap was a success! Car runs on its own power. I have a few minor problems which I can deal with fixing later but ATM the radiator fans kick in with accessories. Any thoughts as to why? The harness around the engine hasn't been touched so kinda confused why it would just kick in. I'll see about relay and make sure fuses are OK but no idea what it could be. What accessories, be more specific, I just went over my whole cooling system... When I turn the key to Accessories position, before turning the starter over. |
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Sep 29, 2018 - 2:08 PM
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Enthusiast Joined Dec 23, '15 From Ireland Currently Offline Reputation: 1 (100%) |
QUOTE (Smaay @ Sep 26, 2018 - 8:02 PM) if I remember correctly, the water temp sensor was backwards polarity to the 7A and 5S/3S in other words when one is open, the other is closed. and the computer gets confused. But all of the engine wiring and ECU is from the 3SGE. Unless its down to the engine bay wiring that connects the lights etc? is there another sensor that goes to the radiator along with the sensor water temp sensor under the throttle body? |
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