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This is not just a simple resistor, it is a voltage regulator – a crude one, to be sure, but it does regulate the voltage supplied to the instruments. You can replace it with an external instrument regulator, AKA gauge regulator – instructions are posted on the web site. The regulator itself is available at NAPA, and probably other places. What you want is an IR-9, if I recall correctly. Search the archives on the IML site to make sure – it’s been a couple of years.
Dick Benjamin’
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Hi Guys,
A few days ago the resistor in my temp. guage burned out. As a result I have lost the 5v feed to the temp, oil and fuel guages so none of them work.
I am getting a replacement temp guage from from Bob H. but just out of interest I am wondering if anyone has ever rewound the original resistor? It looks fiddly but possible.
I am also thinking about whether you could use a standard ballast resistor as a bypass for the original unit? This would supply 6v instead of five but I doubt that it would be enough to damage the instruments. Maybe this is a stupid idea. Would one additional volt harm the guages? Would it affect the readings? I invite any competent car electricians to tell me if I am wrong and why. On the other hand, if it is possible, it may offer an inexpensive alternative repair for other Imperial owners with the same problem.
Best wishes,
Tony V. |
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