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The mkiv Supra Owners Club

electrical problem


needy

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hey

 

I have a problem, I find it hard to find a solution when I turn the lights, so is the parking light or ordinary light dosent matter, then I get the ignition on the car, inside the car is a fusebox, and If i remove the relay Taillight relay or fuse panel, so everything seems normal, however I have no lights in my gauge.

 

some who have tried something similar

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Sorry the question makes no sense, can try describing the problem you have better?

 

when i turn on the light by the arm by the sterring wheel, i get ignition on the car, but i do not have the key in the ignition, and the ignition do not disappears before i turn off the lights.

 

and that is not normal..

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The question is still unclear. Let me say what I think you mean, and you can correct me where necessary...

 

When you turn on the headlights (or is it sidelights, or is it either?) on the steering-column stalk in the usual way, the car engine starts even if there are no keys in the ignition.

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The question is still unclear. Let me say what I think you mean, and you can correct me where necessary...

 

When you turn on the headlights (or is it sidelights, or is it either?) on the steering-column stalk in the usual way, the car engine starts even if there are no keys in the ignition.

 

no the car dont starts, i just get the ignition on the car.

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Do you have an alarm that disables the ignition and flashes the sidelights /indicators ?

 

i have a alarm system yes, i have tried to disconnec the alarm system, but it still the same.. if i remove the fuse to panel in the fusebox inside the car, all is normal. with that i mean, no ignition when i turn on the lights, but i have no light in the gauges. do i put the fuse in again, i have ignition on again when i turn on the light, and there are lights in the gauges. alle that with no keys in the ignition

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Which fuse are you removing? If it's one that controls the dashboard lights, you're probably just covering up the symptoms of the problem rather than the cause of the problem.

 

yes i now that, it was just so people might give a hint what my problem is ..

 

it is the first fuse in the second row inside the fusebox and there stand panel on it..

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Holycrap, that's not right! Car shouldn't even do that!

 

Does it do that on just the side lights? Or when you put the main lights on? It sounds like bit of a wiring problem, or the previous owner had done something!

 

it does that as once you turn on the light. but as mentioned further up, if I remove the fuse which apparently control panel, then everything is normal, except there is no light in the gauge

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have you changed any bulbs lately? disconnect each lamp unit starting from the rear lamps and see if the ignition lights go out. it could be a bad foglamp conversion were the feed is taken direct from ignition.

 

no i havent, it all started after it was driven up on a car lift, which saw a short circuit, which jumped some fuses, they were changed since then, I have had this problem

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Holycrap, that's not right!

 

Lol when a man of your experience says that it must be a bad thing!

 

Looks like a wiring cock up somewhere but I dont know why you would route the ignition power through the lighting circuit. Does anything else work when you turn the lights on, such as wipers etc?

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I'd start with the ignition wires and work your way back, SOMETHING is pulling the wires up that shouldn't be. Get a wiring diagram and start working your way through it. Does your alarm have some strange parking light setup or something of that nature. Alarm is the 2nd port of call..

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Another possibilty could be if the illumination wire loom side on the radio unit is attached to the ignition feed wire ?

 

there is no radio in the car... and it has come after the fuse burst in the fuse box inside the car.. and if i remove the fuse to the panel, all is normal, except I do not have light in my watches

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I'd start with the ignition wires and work your way back, SOMETHING is pulling the wires up that shouldn't be. Get a wiring diagram and start working your way through it. Does your alarm have some strange parking light setup or something of that nature. Alarm is the 2nd port of call..

 

i had removed the alarm, and it was still the same..

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