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Blocked Sirius XM Radio Antenna Quick Fix

Factory satellite radio antennas are almost always blocked by truck campers.  Here’s how we solved the problem of our blocked Sirius XM Radio Antenna and nearly froze to death in the process.


We purchased a 2013 Chevy Silverado 3500 last fall and enjoyed our trial three-month free subscription until it ran out.  Since our plans to go south for the winter in our truck camper were dashed by pressing magazine duties, we decided to let the subscription lapse and renew it when we finally get back on the open road.

Our first satellite radio experience was in 2005 when I bought an XM receiver to keep us in the loop during our first cross country truck camping adventure.  That particular XM receiver was a portable unit and completely separate from our truck’s factory installed radio.  The antenna had a magnetic base and a twenty-foot cable that connected to the portable receiver inside the truck.  I was able to place the magnetic antenna base on the metal hood of the truck to clear the otherwise interfering camper cabover.  The receiver then broadcast the XM signal via FM to the truck’s radio.  That satellite radio system is crude by today’s standards, but it worked.

Getting back to our new truck, the stock radio has a SiriusXM Radio receiver built in with a shark fin shape antenna on top of the truck cab.  The integration and functionality of the new radio is in another league compared to the old truck, but the shark fin antenna is almost completely worthless once a truck camper is mounted.  Nine times out of ten, the camper overcab completely blocks the satellite radio signal.

At the Gettysburg Truck Camper Rally last year, John Wells, aka the guy who tows a Civil War cannon behind his truck camper, showed us his work-around to solve the Sirius XM Radio antenna being blocked on his 2011 Chevy Silverado 3500.  To make a long story short, John mounted a second GM shark fin antenna on his front hood.


Above: Notice the little shark fin above the driver’s cab area

At first blush, I was intrigued that it was possible to move the antenna, but there was no way I was about to put another shark fin on my new truck’s front hood.  Not only would Angela throw me out of the house for hurting our new truck, but I can only imagine what the fellas would say at the rallies.  They already give me enough trouble about having a truck with spark plugs because, you know, “Real trucks don’t have spark plugs”.  Sometimes it’s Junior High all over again.


Above: The XM Sirius magnetic antenna base, wire, and adapter

I explained my dilemma to John.  He replied, “We could just put an magnetic antenna base on the hood with a twenty-foot wire running into the SiriusXM receiver in the truck”.

Now where had I heard that idea before?  Oh yeah, that’s how we used to do it in the early days of satellite radio.  You know, eight years and four paragraphs ago.

Since this was a big priority in our lives, we waited about five months before scheduling the antenna install with John.  You see, we wanted it to be as painfully cold and windy as possible because this just seemed too darn easy any other way.  Anyone can install a Sirius XM radio antenna, but what about if it’s February, fifteen degrees out, with wind speeds that range from “no big deal”, to “this is flat out ridiculous”, to “I’m not sure we’re going to make it if we stay out here much longer”.

Prior to our new radio show, “Sirius XM Antenna Installation, On Ice” we had purchased and assembled a short list of objects John requested to aid in our experience.  This list included an SiriusXM magnetic antenna, a FAKRA adapter, pliers, black duct seal clay, and zip-ties.


Above: The FAKRA adaptor

“What’s a FAKRA adapter?” you ask.  Well, FAKRA is the type of antenna connection some SiriusXM radio receivers use.  Our GM receiver happens to use such a FAKRA.  It’s critical to find out exactly what type of antenna connection your receiver uses before attempting to change your Sirius XM antenna.

Let’s get to the installation.  Since John had already installed an Sirius XM antenna on his truck, he was chief surgeon.  All we did is hold parts, hand tools, take pictures, and shiver.



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