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Old 04-25-04, 04:37 PM
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Defi Guages

Alright I have a Defi Boost guage I have been trying to install, I have it up and have a question. Where does the hose go, I know through the gasket around the steering wheel, but then where, I know to the manifold the nipple that has a rubber thing on it, but in the instructions it has a T bracket thing and says the hose also goes somewhere else. Where does it go, I can't find it?
Old 04-25-04, 04:40 PM
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Don't worry about the T. The hose goes from the manifold nipple to the gauge itself, or the gauge's sender if it's electric.
Old 04-25-04, 05:27 PM
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Alright got that done, now how to wire it? I here to the ash tray, how do you do that?
Old 04-25-04, 05:35 PM
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you would just tap into the wire just make sure you do it nice. These defi gauges ar bad ***.
Old 04-25-04, 05:45 PM
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what do the ashtray wires look like, are there 2 red and black?
Old 04-25-04, 06:33 PM
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speaking of wiring accessories to your ashtray, does anyone know if there is a limit to how many accessories you can wire to it? i have a tt and im about to add a boost guage. will that be too much?
Old 04-25-04, 07:48 PM
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Alright is this correct, I ground the black wire to something and attach the white wire to the ashtray which is a harness with 2 red and black wires by tapping into one of the wires, does it matter which?
Old 04-25-04, 09:33 PM
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i just grounded mine to the firewall, on one of the bolts that holds the steering column on. then i took the other wire and tapped it into one of my dash lights. it keeps the wires nice and short
Old 04-26-04, 01:01 AM
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If you tap into your dash lights...the gauge will only work when the running/parking lights or the headlights are on! I have to rewire mine as this was done by the original owner. No biggie, I think I'm going to goi with the ashtray myself. I think the Profec-B will be fine. Shouldn't have any power problems or anything.
Old 04-26-04, 01:33 AM
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Originally posted by WHIPSrx7
If you tap into your dash lights...the gauge will only work when the running/parking lights or the headlights are on! I have to rewire mine as this was done by the original owner. No biggie, I think I'm going to goi with the ashtray myself. I think the Profec-B will be fine. Shouldn't have any power problems or anything.
it will still work, just not illuminated during the day. isnt that what he would want. sounds like he has a mechanical d guage...
Old 04-26-04, 07:26 AM
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It is a D-guage, so tap into a dash light?
Old 04-26-04, 12:57 PM
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by tapping into the dash light you are keeping the wires short and ensuring that the backlight for the gauge only comes on when you turn on your parking/driving lights.

ground on the firewall.

dont run the tube through the steering column as it is just sloppy. The best way to go (in my opinion) is to drill a hole through the firewall between the clutch/brake pedals. It is concealed by the carpet and will allow you to run other things to the engine bay w/o ripping up that rubber gasket around the steering column.

just my $.02
Old 04-26-04, 07:32 PM
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Alright any pics of what wire to tap into, I have the whole dash off replacing heater core and I have freaking wires everywhere. I don't exactly have any clue whatsoever what wire I'm tapping into.
Old 04-27-04, 07:16 AM
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anybody?
Old 04-27-04, 04:12 PM
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help
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