Thank you always great advice / knowledge from the folks here 

There must me a good a/b switch suitable for this will check it out 

ed

Edward V Barger
edvbarger@mac.com
310 922 6251

> On Feb 27, 2019, at 11:19 AM, Edward Maglott <emaglott3@gmail.com> wrote:
> 
> I got something like this years ago from Radio Shack:
> 
> https://www.amazon.com/VIGORWORK-Thermometer-Voltmeter-Temperature-Backlight/dp/B077XH9L6H/ref=sr_1_11 <https://www.amazon.com/VIGORWORK-Thermometer-Voltmeter-Temperature-Backlight/dp/B077XH9L6H/ref=sr_1_11>
> 
> It just has 2 displays that you can switch to a variety of things...  indoor temp, outdoor temp, voltage, clock, etc.  I always kept it on Voltage and outdoor temp.  The voltage input wire I ran through a toggle switch as you suggest so it could display either battery's voltage.  the sensor for outdoor temp I ran to inside the fridge so I could monitor that.  I have found it pretty handy to have that info available.  
> 
> Edward
> 
> On Wed, Feb 27, 2019 at 1:08 PM Edward V Barger <edvbarger@mac.com <mailto:edvbarger@mac.com>> wrote:
> I am slowly making progress on the 87 Westy   Looking at this or something like it to monitor both my batteries 
> 
> Thought I could put in an A/B switch so could toggle between the two to check levels 
> 
> 
> https://www.amazon.com/gp/product/B07759SLYP?ref=em_1p_1_ti&ref_=pe_3743280_396929690 <https://www.amazon.com/gp/product/B07759SLYP?ref=em_1p_1_ti&ref_=pe_3743280_396929690>
> 
> 
> 
> Edward V Barger
> edvbarger@mac.com <mailto:edvbarger@mac.com>
> 310 922 6251