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 Oct 5, 2014 - 10:28 PM
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Enthusiast  Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%)  |
Can everyone do me a favor please. Im chasing down this last issue on this swap I finished. Key on, engine not running the battery light is on normally. Start the engine and It dimms quite a bit but still on.
I have looked at the Camry, 97 celica ST and GT, and several other charging wiring diagrams. they all say that pin 1 or the L signal for the light should be 0-4V with key on and engine off. Well on this car im getting about 5.1 Volts. I checked both my 97 Celica with the swap, and my GF 99 Celica (stock) and they both are putting out 12V on that pin. Can you guys please go out, turn the key to ON and check the voltage of pin 1 or the L signal and post it. Im wondering if the toyota diagrams are wrong. Pin 1 is the yellow wire and its the first one on the left looking at the plug with the clip on the top. Thanks!!!!!! -------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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Oct 6, 2014 - 5:07 PM
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Enthusiast Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%) |
come on guys, this takes 5 minutes. I need this information
-------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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Oct 6, 2014 - 5:52 PM
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 Enthusiast Joined Jun 21, '14 From Ottawa, Ontario, Canada Currently Offline Reputation: 0 (0%) |
What wire harness are you referring to?
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Oct 6, 2014 - 7:32 PM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
I had a 5S camry in the shop years ago with a rotten alternator sense wire, corroded through the whole harness up into the dash. I had to piggy back a new wire from where ever it came from through on out to the alternator. Possibly you have a rotten wire issue as well, if memory serves me the charging light should have alternator voltage on both sides when the engine is running and that is also the voltage sense for the IC/Diodes inside to control charging voltage. I'm running on pure memory, this was about 5 years ago.
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Oct 6, 2014 - 8:30 PM
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 Enthusiast Joined Mar 15, '07 From Tennessee Currently Offline Reputation: 52 (100%) |
put a pic of that 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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Oct 7, 2014 - 12:02 AM
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Enthusiast Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%) |
QUOTE (Bitter @ Oct 6, 2014 - 5:32 PM)  I had a 5S camry in the shop years ago with a rotten alternator sense wire, corroded through the whole harness up into the dash. I had to piggy back a new wire from where ever it came from through on out to the alternator. Possibly you have a rotten wire issue as well, if memory serves me the charging light should have alternator voltage on both sides when the engine is running and that is also the voltage sense for the IC/Diodes inside to control charging voltage. I'm running on pure memory, this was about 5 years ago. Bitter, you are correct that you should get voltage on both sides when the alternator is running. QUOTE (njccmd2002 @ Oct 6, 2014 - 6:30 PM) put a pic of that harness.. im talking about the 3 wire plug that plugs into the alternator. pull the plug off, looking into the plug with the clip on the top, pin 1 is on the left. It should be a yellow wire -------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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Oct 8, 2014 - 6:19 PM
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Enthusiast Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%) |
come one guys, i need this information, this takes 5 minutes to do
-------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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Oct 8, 2014 - 6:26 PM
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 Enthusiast Joined Jan 4, '12 From US Currently Offline Reputation: 6 (100%) |
Let me see if I can find my multimeter, brb.
-------------------- 1993 Celica GT Coupe - sold
1994 Celica GT Liftback |
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Oct 8, 2014 - 6:49 PM
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Enthusiast Joined Jan 4, '12 From US Currently Offline Reputation: 6 (100%) |
Batt voltage:
 Pin 1: 
-------------------- 1993 Celica GT Coupe - sold
1994 Celica GT Liftback |
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Oct 9, 2014 - 12:37 AM
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Enthusiast Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%) |
^^^ thank you!!!!!
more data points please. Its starting to look like the toyota drawing is incorrect. -------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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