Re: Not the Solenoid---HELP

From: Robert Wiseman (rob(at)wisemaninsurance.com)
Date: Sat Feb 20 1999 - 10:31:59 CST


Tom,
I connected the A1 and A wires. Tried to start car. Nothing happens, no
gauges no ignition light, nothing.
I had it running good then I shorted to the solenoid last week and now I get
nothing.
Question.
I get 12 V to the ignition switch with the key off. I get about 2.8 V to
ignition switch when I try to start. Does this tell you anything.
Rob

Tom Hill wrote:

> Rob,
>
> This test procedure assumes you can start the car and the control box is
> not fried. I think you can elimate the control box from the ignition
> circuit by attaching the wires from terminal A and A1 together. If the
> car will start the control box is likely toast.
>
> The following is the test procedure for the Avo Model 12 control box
> according to Autobook 836:
>
> "In the event of trouble in the charging system and having checked that
> the generator drive belt is not slipping and that the battery is in good
> condition check the wiring by disconnecting the wire from terminal A on
> the control box and connecting it to the negative terminal of a
> voltmeter and the positive voltmeter terminal to an earthing point on
> the chassis. If a voltmeter reading is given the wiring is in order and
> the regulator must be examined."
>
> "Remove the wires from terminal A and A1 and join them together.
> Connect the negative of a moving coil voltmeter to terminal D and the
> positive lead to E. Increase the engine speed until the needle flicks
> and then steadies. This should occur with a volt meter according to the
> ambient temperature as shown:
>
> Ambient temperature Voltage
> 50 F 16.1 to 16.7
> 68 F 16.0 to 16.6
> 86 F 15.9 to 16.5
>
> If the voltage at which the reading becomes steady is outside these
> limits the regulator should be adjusted.
>
> Stop the engine and remove the control box cover. Turn the voltage
> adjusting screw clockwise to raise the setting, or vice versa, a
> fraction of a turn at a time and repeat the test until the correct
> setting is obtained.



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