Replacement parts where can i purchase a 12-volt power supply cord to plug into a car cigarette lighter receptacle?

Sounds like a dirty receptacle. If you're a smoker, I guarantee that's the problem. Take the cigarette lighter fuse out of your vehicle and clean the receptacle with sandpaper wrapped around a small stick. Good luck!

Yes you can just make sure that the power cord has the CORRECT pin polarity- you can order the 12 volt cigarette lighter style cord from Meade.
http://www.meade.com/support/index.html

You can use any 12 volt power pack like a car starter battery pack-- with the proper cigarette lighter style power cord.

Just buy one with a cigarette lighter style plug-in port- 12 volt-- you can find these at auto parts stores for about $49.

You can contact Meade for parts here:
http://www.meade.com/support/index.html

Here is the manual:
http://www.meade.com/manuals/TelescopeManuals/Reflectors/DS.pdf

It's a 12 volt power system, get the correct cigarette lighter style power plug from Meade -- it is center positive-- and use a 12 volt power pack like this one, or a car starter battery pack from Wal Mart. Make sure it has a cigarette style female plug.

http://www.google.com/products/catalog?q=celestron+power+pack&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&ie=UTF-8&cid=10705665047058277989&ei=WAlaTM3MHYKB8gbYuq2ZDA&sa=X&oi=product_catalog_result&ct=result&resnum=3&ved=0CC8Q8wIwAg#

Call Meade first and discuss this with them.

On the side of the unit is a small black flap that covers two prongs that you can plug a standard 110-120 volt extension cord into which will charge the unit. There are 3 read lights and 1 green lights on the top that lets you know when it is fully charged. The 12 volt charging cord is basically a cord that has 2 cigarette lighter plugs. One plugs into the unit and the other plugs into a power port/cigarette lighter plug.

THE CIGARETTE LIGHTER HOLE. REMOVE THE CIGARETTE LIGHTER. USE A 12 VOLT POWER PLUG IN DO NOT USE 110 AC CURRENT IT WILL BURN OUT ENTIRE ELECTRICAL SYSTEM.

If all the fuses have been checked and are working as you say, try doing a voltage check on the cigarette lighter receptacle itself. If you set your DVOM (Digital Volt/Ohm) meter to DC volts, you should be able to measure 12 volts (+- 2) at the receptacle by placing the red lead to the positive end of the receptacle, which is the little button on the very back of the barrel, and the negative end, which is the outer chrome housing. (Of course, some vehicles require the ignition key to be placed to Acc or Run, but I'm sure you already know how your car is configured.)

If there is no voltage there, the fault may be in the wiring itself, behind the cigarette lighter. Get behind it to make sure that the positive lead hasn't been pulled out or is corroded for some reason.

If all is well with the receptacle and you want to be able to actually USE the cigarette lighter in it, you may want to consider purchasing a replacement lighter. You can find a lot of those in the "Help" line of parts at your local auto parts store.

I hope this helps! Let me know if you have any further questions. :)

-Jason

The power source is a 12 volt transformer so you can use a standard universal power supply. A 12 volt DC Power Cord with Auto Cigarette Lighter type Adapter will work in an auto.

you need to buy a chep universal 12 volt adapter

Could be the cord or your car plug. Does it fit snug? I have a 1996 Acura TL and the way the cigarette lighter is designed, I have to give it a bit of pressure so it makes good contact. try your unit in another vehicle and see if that solves the problem. If so, it's your car's cigarette lighter connection.