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06-04-18, 08:35 PM | #1 | |
Grown up member
Classic Audi Club Member
Join Date: Oct 2010
Posts: 137
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Dash lights interpreter needed
Sorry to post in General but wanted as many to see as possible.
Audi 80 B2 with pierburg 1b2 carb. Last time I looked on the net I could find no info and my owners manual mentions nothing about the dash light functions/meanings. A picture of the dash before starting. I assume the light under the oil light is telling me that the carb heater is on? This light flashes and goes out after a short time. After starting. The oil pressure light stays on and goes out at the same time(ish) as the one directly below it. The Green light comes on at startup and then stays on. I assume this is for the water temperature on the feed to the carb auto choke? I could show a video but have no idea how to post one on here |
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06-04-18, 08:44 PM | #2 | |
Grown up member
Join Date: Feb 2017
Location: Cambridgeshire
Posts: 154
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Quote:
They are your water temperature warning lights. B2s with an econometer did without a water temp gauge (like the first quattros with a turbo boost gauge). So the red light comes on before start up to show the bulb is working. Green light for cold, so let it warm up. No lights and all is O.K. Red light comes on when you are driving and well, you can guess the rest... |
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06-04-18, 08:58 PM | #3 |
Grown up member
Classic Audi Club Member
Join Date: Oct 2010
Posts: 137
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So mine is wired up incorrectly then. Green stays on all the time and red flashes as well as the oil pressure staying on. I don't think its ever been right.
Not a clue where to start to put it right. |
19-05-18, 06:17 AM | #4 |
Grown up member
Classic Audi Club Member
Join Date: Oct 2010
Posts: 137
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Sorted it out now.
The wiring on the thermo switches for the manifold heater and the autochoke was incorrect. Meaning the manifold heater was on all the time. Manifold heater and bypass valve now work correctly after water reaches temp (green light) and the red light flashes at turn on and goes out straight away. Meaning it will flash if the circuit goes over a certain temp. Really happy. I now understand how the fuse box is wired to the loom and how to trace circuits. Just need to learn the shortcuts for testing circuits. Now to fix passenger side fog light holder as the fog light wires were disconnected from the fusebox. |
19-05-18, 06:21 AM | #5 |
4 ring whore!
Classic Audi Club Member
Join Date: Aug 2015
Location: Dalgety Bay, Fife
Posts: 2,078
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Well done for sorting it out.
Bodged electrics with random faults can be a challenge |
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