---------------------------------------------------------- TeamGrumman-List Digest Archive --- Total Messages Posted Sun 11/17/13: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 12:42 AM - Re: Weird power . . . (Ian's) 2. 05:25 AM - Re: Weird power . . . (Bob Steward) ________________________________ Message 1 _____________________________________ Time: 12:42:48 AM PST US Subject: Re: TeamGrumman-List: Weird power . . . From: "Ian's" Sounds like an hr joint in the LA5 supply. Check condition of the JP-6-3 plu g near the battery box. Also there seems to be a joint where the LA5 wire ch arges to an LA2, not sure where that is. Ian Sent from my iPhone > On 17 Nov 2013, at 04:29, Gary L Vogt wrote: > > I'm troubleshooting Cabin and Map lights not working. > > First thing I notice is the fuse is blown. Replaced the fuse. Nothing. > Next, the lights are burned out. Replaced the lights. Nothing. > I remove the plastic cover on the switch. The power wire, 51LA3, is conne cted to the map side of the switch, not the middle. > -- fixed that. Nothing. > Checked for power at 51LA3 with the switch off. 12.5 volts. > Turned on Map, then Cabin light. Nothing. > Measured power on 51LA3 with switch on Map. 0 volts. > Checked the fuse. Blown. Replaced. Still nothing. > I disconnect all of the wires. I have power on 51LA3. > - I connect it directly to the cabin light wire, no. 5LA5. Nothing. > - I connect it to the map light, no. 5LA4. Nothing. > I remove the wire to the side light, powered by the rheostat, wire no. 51L B6. > I connect 51LB6 to 5LA4. Map Light works. > I connect 51LB6 to 5LA5. Cabin Light works. > I connect to the middle terminals on the Cabin/Map switch. Lights work. > I measure power on 51LA3. 12.5 volts. > I connect 51LA3 to the side light. Nothing. > Double check power on 51LA3. 12.5 volts. > I leave the VOM on the 51LA3 measuring 12.5 volts. While connected, I att ach the side light. Voltage gradually drops to 0 volts. > - light never comes on. Double check with Map and Cabin lights. Same. > > ----->>>>> With the voltage on 51LA3 measuring 12.5 volts, any attempt to load the circuit with a light drops the voltage to 0 volts. > > Fuse is good. Power is there. Doesn't work when light attached. > > This is a new one to me. > > PS, I checked the connection on the battery box fuse holder. It looks OK. Clock works fine. > > 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D ________________________________ Message 2 _____________________________________ Time: 05:25:22 AM PST US Subject: TeamGrumman-List: Re: Weird power . . . From: Bob Steward VGhlIG1vc3QgaW50ZXJlc3RpbmcgY29tbWVudCwgYW5kIHRoZSBvbmUgSSdkIGZvbGxvdyB1cCBv biwgaXMgdGhhdCB0aGUgInZvbHRhZ2UgZ3JhZHVhbGx5IGRyb3BzIHRvIHplcm8uIiAKClRyeSBs b2FkaW5nIHRoZSBjaXJjdWl0IHdpdGggYSBoaWdoIHdhdHRhZ2UgbGlnaHQgYnVsYiwgcmF0aGVy IHRoYW4gdGhlIFZPTSB0aGF0IGhhcyB2ZXJ5IGhpZ2ggaW1wZWRhbmNlLgoKSXQgd2lsbCBzaG93 IHVwIHJlc2lzdGFuY2UgaXNzdWVzIHRoYXQgYSBWT00gd2lsbCBub3QsIHdoZW4gc2V0IHRvIHZv bHRzLCBhbmQgbm90IHJlc2lzdGFuY2UuCgotLUJvYiBTdGV3YXJk ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message teamgrumman-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/TeamGrumman-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/teamgrumman-list Browse Digests http://www.matronics.com/digest/teamgrumman-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.