[DML] Re: RPM Drop When turning on AC

["content22207" <brobertson@xxxxxxxxxxxx>]

Dave McKeen measured a 1.4 volt drop through that junction and its one lone ganged ground wire -- very inadequate (by design, not degradation -- the junction is soldered together so there's nothing to tarnish or corrode).

Bill Robertson
#5939

--- In dmcnews@xxxxxxxxxxxxxxx, Nick Kemp <nkemp@...> wrote:
>
> 
> jtrealtywebspannet wrote , "What you DO see is scary if you watch the 
> voltmeter dip below 13 volts and the lights dim. "
> 
> My experiance is that the ground cluster near (up from) the accelerator 
> pedal is insufficient and as such, the dash readings may be off for 
> other reasons (my voltage was typically under 13). When I improved that 
> ground, the volt gauge read much higher.  The actual voltage at the 
> alternator did not change but the dash reading did.
> 
> So even though you may concerned with low voltage as David T correctly 
> points out, there may be other issues.
> 
> To test how good your instrument cluster ground is, us a jumper cable to 
> jump from the ground cluster near your accelerator foot to the negative 
> terminal of the battery.  Check your dash readings before and after.
> 
> Nick
>




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