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my97-98 link ecu

neil brown

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hi guys a small problem here my ecu cut s out usually with in 5 minutes of starting the car, as the voltage shown on the link hand controller varies between 13.8 and 14.4, now and again it goes over 15v dc and shits the ecu down :(, but the battery voltage doesnt go over 14v as checked by electrical meter is there some thing on the ecu board that regulates the dc voltage input that could be failing, nothing showning burnt on distorted on the ecu much help is welcomed Neil

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In theory on the old G1 ECUs you should be safe up to at least 16V if it goes over this voltage for an extended time then the smoke is likely to get out. To really see what the voltage is doing at the ECU you will need to measure it using a scope to catch any spikes that a normal meter might filter out.

If you disable the alternator does the ECU still show unstable voltage?

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