 E-brake Wiring Issues, Very, very, incredibly weird |
 Aug 31, 2003 - 1:25 PM
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 Administrator  Joined Aug 23, '02 From Seattle, WA Currently Offline Reputation: 14 (100%)  |
Hi,
I am having some weird issues with the e-brake wire on my car. What I want to accomplish is having +12 volts go to a terminal on a relay once the e-brake is released and is down, and the ignition is on. When I tested my '94 Toyota Celica's e-brake wire with a multimeter, it produced +12 volts when it was released and the ignition was on, and didn't when the e-brake was up, or the ignition was off. So I spliced a wire into this e-brake wire, and then I ran the wire to the terminal on my relay, and it produced some strange results. What happens is that when my e-brake is up and the ignition is on, the brake light on the gauge cluster was lit up like it should be, but when I released the e-brake, the light didn't turn off like it should, and instead only got dimmer. So I figured that I was getting some sort of voltage coming from the relay that was going back into the wire, so I installed a diode in the wire that I spliced into the e-brake wire, but that didn't change anything. So I figured that I must be pulling too much power from the e-brake wire, so it must not be sending a full +12 volts to the car, resulting in the light only being partially lit up. So, I hooked up terminal 85 of a SPDT relay to ground, terminal 86 to the e-brake wire, terminal 30 to a fused +12 volt power source, and terminal 87 to the terminal on the relay that should be getting +12 volts once the e-brake is released. This didn't change anything either though. So now I am completely confused, and I have no idea why my terminal of my relay isn't getting +12 volts, and why e-brake light stays partially lit up when the e-brake is released and the ignition is on. Does anyone have any ideas as to what I could do to try to solve my problem? -------------------- New Toyota project coming soon...
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Sep 3, 2003 - 7:04 PM
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Administrator Joined Aug 23, '02 From Seattle, WA Currently Offline Reputation: 14 (100%) |
I had a chance to look at that wiring diagram, and it looks like it does the same thing as a SPDT relay would, and a SPDT relay hardly draws any power at all and still causes problems.
 Do you know exactly how much power most of those fuse panels draw? -------------------- New Toyota project coming soon...
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Posts in this topic
Coomer E-brake Wiring Issues Aug 31, 2003 - 1:25 PM
polishchacha If I'm reading this correctly, what you've... Aug 31, 2003 - 3:58 PM polishchacha as a side note, I use marine fuse pannels, they... Aug 31, 2003 - 4:00 PM Coomer If I got one of those fuse panels, one wire would ... Aug 31, 2003 - 6:20 PM polishchacha right, you would have to attatch the wires,, I... Aug 31, 2003 - 6:57 PM Coomer Ok, that sounds great. Thanks! Aug 31, 2003 - 8:58 PM
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