I thought so. For instance I found it usefull for comparing before and after
current  readings when doing improvements to headlights. Also for properly
sizing a fuse  for a newly added circuit.

Ken

----- Original Message -----
From: "Dennis Haynes" <d23haynes57@hotmail.com>
To: "'Kenneth Lewis'" <kdlewis@NORTHSTATE.NET>; <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, November 06, 2011 8:28 AM
Subject: RE: D15 connector revealed

>I just got one of these also. What a wonderfully convenient way to test the
> individual circuits.
>
> Dennis
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Kenneth Lewis
> Sent: Saturday, November 05, 2011 10:39 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: D15 connector revealed
>
> Picked this up at Harbor Freight
> http://www.harborfreight.com/20-amp-automotive-fuse-circuit-tester-67725.htm
> l
> I have found it to be helpful working on this kind of problem.
> Ken
>
>
>
> On Thu, November 3, 2011 1:12 am, Alistair Bell wrote:
>> yes, and key on power to "15" on coil is supplied by the notorious D15
>> (clear on wiring diagrams for vin G 055 690 and up, less clear on the
>> earlier '86). The heater is an added load on D15.
>>
>> alistair
>>
>>
>> On 2011-11-02, at 9:57 PM, Scott Daniel - Turbovans wrote:
>>
>>> The breather heaters I have seen were 'stand alone' .......in other
>>> words, just added on.
>>> They're connected to the black '15' wire going to the coil I believe.
>>> they can be retrofitted to any waterboxer engine easily.
>>>
>>> thanks for your diligent work here and posting of pictures.
>>>
>>> Scott
>>
>>
>
>