No power to anything needing key on

Tiny
DAVIDE123
  • MEMBER
  • 1990 TOYOTA COROLLA
  • 1.6L
  • 4 CYL
  • AUTOMATIC
  • 120,000 MILES
90 corolla
new alternator and battery.
Fusible links good.
> Under hood fuses good.
> Inside Lft. Panel fuses good.

Key in switch> ding ding> switch on> no power to anything needing key on > turn to start> No click either

Help and thanks
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Saturday, January 30th, 2016 AT 1:41 PM

14 Replies

Tiny
DAVIDE123
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Additional info the charging (eng/brake light would come on intermittently (when I was still able to drive it)
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Saturday, January 30th, 2016 AT 1:50 PM
Tiny
MHPAUTOS
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Drop off the steering coloum trim and test that the ignition switch is actualy switching, do this with a tesst light, the easist way is probe each terminal as you turn to ignition on and it should light up, one will be acc feed and one will be ignition and then you will have the cranking circuit that will light up when you switch to crank.
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Saturday, January 30th, 2016 AT 2:01 PM
Tiny
DAVIDE123
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I will have to do it later (work) thanks for your reply.

Do you know can engine relay cause this? Thank you for your response.
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Saturday, January 30th, 2016 AT 2:05 PM
Tiny
MHPAUTOS
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Can be a few things but best to start at the switch and work down the circuit as that way nothing can be over looked.
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Saturday, January 30th, 2016 AT 2:08 PM
Tiny
DAVIDE123
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Thanks again. I was able to drop. The trim (15 min left 4me). I see some plug connections, I am not sure where to test> I have a digital VM to use to test.
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Saturday, January 30th, 2016 AT 2:24 PM
Tiny
DAVIDE123
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Not sure where the terminals are yet.
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Saturday, January 30th, 2016 AT 2:25 PM
Tiny
MHPAUTOS
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It will be the round switch attached to the back of the ignition barre land key assembly.
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Saturday, January 30th, 2016 AT 2:28 PM
Tiny
DAVIDE123
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Ok I will test tommorrow I hope. My wife has a lot of things planned, but thanks again. And Bye for now.
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Saturday, January 30th, 2016 AT 2:32 PM
Tiny
MHPAUTOS
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Ok, re post with what you find, just so you know, I am in Australia so the time difference is an issue, it is Sunday morning here and tomorrow I will not be on till the evening my time, so if you post and hear nothing, hang in there and I will respond asap.
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Saturday, January 30th, 2016 AT 2:36 PM
Tiny
DAVIDE123
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Hi again mate trying to post testing.
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Sunday, January 31st, 2016 AT 1:37 PM
Tiny
DAVIDE123
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Here is what I see:
Round Cyl > Round Plastic on the end > Group of taped wires out of it > Into an 8 pin plug.
AND 2 wires coming out > into a 2 pin plug.
Will post colors on next post.
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Sunday, January 31st, 2016 AT 1:41 PM
Tiny
DAVIDE123
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I can test back of plug but not sure which is which.
Back of 8 Pin:
BLK/RED [ ] [ ] BRN
BLK/BLU [ ] [ ] BRN/WHT
BLK/YEL [ ] [ ] (OPEN)
BLK/WHT [ ] [ ]BRN/RED

2 Pin (lighter gauged wires) Plug:
Grn/Wht[ ] [ ] Grn/Wht
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Sunday, January 31st, 2016 AT 1:46 PM
Tiny
DAVIDE123
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I can test back of plug but not sure which is which.
Back of 8 Pin:

BLK/RED [ ] [ ] BRN
BLK/BLU [ ] [ ] BRN/WHT
BLK/YEL [ ] [ ] (OPEN)
BLK/WHT [ ] [ ]BRN/RED
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Sunday, January 31st, 2016 AT 1:47 PM
Tiny
MHPAUTOS
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This thread will be closed use the new link.
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Wednesday, February 3rd, 2016 AT 11:14 PM

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