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<DIV>Dear Brian,</DIV>
<DIV> </DIV>
<DIV>Here's a post I made to the Kenwood D7 Yahoo group, that may help with your snowmobile tracker. Infact a friend of mine is so impressed he is thinking about using it on his motorcycle:</DIV>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>In my quest for the perfect TH-D7 Tracker to carry with me while out Geocaching, many times alone, I have sucessfully tapped the Batteries America 1800mAh 7.2V for power to run a Delou Lite GPS.</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT face="Times New Roman"><STRONG> <o:p></o:p></STRONG></FONT></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>There is already a power jack on the back of the battery pack that accepts a 3.4mm coaxial plug to charge this pack if desired.<SPAN style="mso-spacerun: yes"> </SPAN>But</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>from the factory, power is not available to this plug because of a blocking diode.<SPAN style="mso-spacerun: yes"> </SPAN>Note: it is unusual in the fact that the CENTER PIN</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>IS NEGATIVE.</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT face="Times New Roman"><STRONG> <o:p></o:p></STRONG></FONT></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>Running a very sharp knife along the cement seams caused the pack to come apart fairly easily with no damage.<SPAN style="mso-spacerun: yes"> </SPAN>Once I had access to the internal wiring it was a simple matter to clip the existing wire from the shrink wrapped diode, bring it around behind the jack, and </STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>resolder to the positive terminal on the group of cells.<SPAN style="mso-spacerun: yes"> </SPAN>A little </STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>TLC was necessary on the cardboard insulator to allow the wire to feed freely.<SPAN style="mso-spacerun: yes"> </SPAN>I cleaned up the seams of the battery pack, popped it back together and cemented the seams.<SPAN style="mso-spacerun: yes"> </SPAN>Total time 1/2 hour. <SPAN style="mso-spacerun: yes"> </SPAN>I did 2 </STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>battery pack modifications with no problems.<SPAN style="mso-spacerun: yes"> </SPAN>A plus is that I could still charge the pack through the existing jack.<SPAN style="mso-spacerun: yes"> </SPAN>Doing the mod this way, does not change any other internal wiring to the battery pack.</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT face="Times New Roman"><STRONG> <o:p></o:p></STRONG></FONT></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>How does it work?<SPAN style="mso-spacerun: yes"> </SPAN>The Deluo Lite GPS draws 120mW and can accept </STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>5-9VDC while tracking satellites.<SPAN style="mso-spacerun: yes"> </SPAN>While using it last night, on a freshly charged battery pack, I got 15+ hours with a beacon every 3 minutes at 3W output.<SPAN style="mso-spacerun: yes"> </SPAN>Not too shabby.<SPAN style="mso-spacerun: yes"> </SPAN>Since I carry my TH7 in a </STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>Palm Pilot soft case with a solder strap (or in a pocket of my backpack), it is completely self contained with no wires to snag on branches and limbs.</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT face="Times New Roman"><STRONG> <o:p></o:p></STRONG></FONT></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>The antenna I use is one of the superflexible cat’s whisker 19 inch ones so as I move through the brush it doesn’t snag. </STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT face="Times New Roman"><STRONG> <o:p></o:p></STRONG></FONT></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>BTW, Deluo now has a GPS with the next generation chipset with the</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>same size (41x41mm) and power requirement specs.<SPAN style="mso-spacerun: yes"> </SPAN>This new generation of chips can track satellites indoors easily, and has a much faster aquire time (5X faster).</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT face="Times New Roman"><STRONG> <o:p></o:p></STRONG></FONT></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>Keep on trackin!</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>John</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3><STRONG>K2QY</STRONG></FONT></P></DIV></BODY></HTML>