Boost Guage Question???
Boost Guage Question??? I was reading the directions for once!!!! and it says to hook my power wire up to something that doesn't loose power while cranking or it won't function correctly. I was thinking the radio, but im pretty sure I recall it lossing power while cranking. So my question is where is a good place to hook it up at. And also there is another wire that says 12v allumination where do I need to hook that wire up at? I know this is alittle stupid question but bare with me im no electrician.. Also it is a 2000 Trans Am
Thanks for your help,
Jimmy
Thanks for your help,
Jimmy
I think it was referring to a circuit that powers up for startup but then shuts off once the car turns on. If you wire it up through the radio circuit, you'll be fine.
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On The Tree
Joined: May 2004
Posts: 100
Likes: 0
From: Breese, IL
Originally Posted by andereck
A test light will verify that it doesn't shut off at crank. Its important that it stays powered up, otherwise it will recalibrate while the engine is pulling vacuum making your boost read artificially high.
The 12v illumination lead needs to go to your parking light switch. That's used to light up the gauges when the lights are on. You can hook it up to the same lead as the power lead if you want the gauge lights on all the time (which is what we do in our race cars).
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Originally Posted by Roadie
What he said... The electric gauges calibrate themselves to atmosphere at power-up. If they don't power up until the key goes from start to run, it will set the zero point where vacuum exists in the intake manifold, which will make the gauge off by a lot. I used a tester to find a source that kept power under cranking.
The 12v illumination lead needs to go to your parking light switch. That's used to light up the gauges when the lights are on. You can hook it up to the same lead as the power lead if you want the gauge lights on all the time (which is what we do in our race cars).
The 12v illumination lead needs to go to your parking light switch. That's used to light up the gauges when the lights are on. You can hook it up to the same lead as the power lead if you want the gauge lights on all the time (which is what we do in our race cars).
Thanks,
Jimmy
On The Tree
Joined: May 2004
Posts: 100
Likes: 0
From: Breese, IL
Originally Posted by 00WS6WHITE
Just wondering where you hook up your hot wire at?
Thanks,
Jimmy
Thanks,
Jimmy
Later, I went back and split the wire, installed heat shrink tubing, soldered it together, and shrunk the heat shrink tubing around it.
I wanna say it's the orange wire under the dash where the steering column is. Can't remember though since all my stuff is wired to a seperate fuse block in the back of the car. I'd get a voltage tester and try that one first, just don't mess with the little yellow wires. Damn airbags.