Spyder_Cowgirl
GOS member (Girls On Spyders)
OK -- Latest UPDATE
First I will answer questions from the last post -- thank you Steve, for the information:
These are "plug and play" devices from Spyderpops, so they have power bridges that plug in between the turn signals and the Spyder.
Not so much louder or change in pitch, it just overrides any reception and there is a great amount of "cut out" when receiving.
Correct on the noise with the kill OFF -- tried that and there was no change. As for what was taken off for the air pump ... the entire rear cargo module (and anything plugged into it from the main harness). We have inspected all the plugs we can reach ... even unplugged, checked for bent pins, and plugged back together. No change.
On recommendations from a local CB repair guy -- we checked the cable and ground by continuity from the center post to the threads on the brass block and also from the outside of the cable to the ground strap connection next to the antenna itself (inside the left speaker pod). So, I am certain we now have a good ground for the antenna.
Makes no difference in the noise if the CB is touched. It makes a HUGE difference if the antenna is touched .... see below for what we have found this indicates.
We have unplugged the antenna and tested what we could on the antenna itself -- CB repair indicated that we should have continuity from tip to tail (we don't -- again, see below). Well ... I think the following is a HUGE positive. I am now in direct contact with the regional technical guy and he has asked for a few things. We had an extended discussion and I am confident he will see this through to a final positive outcome.:clap::clap:
OK ... so here is the update.
Since we did not get good readings when checking continuity of the antenna itself, I went down to the local truck stop and picked up a cheap (but tunable) antenna. It has the same threads as the J&M and we decided to see if we could tune it. Well ... results are better ... but still not good as our reading on the SWR meter is still well over 2 and not very adjustable. So, I called J&M and reported these results .... they are convinced that the J&M antenna is damaged (probably a cracked fiberglass staff) and needs to be replaced. They also indicated that if something in the entertainment harness was pinched in such a way to create a current loop, transmit would not work. In addition, they also believe we still have a grounding issue (like a pinched wire somewhere) and that we need to solve that before proceeding with tuning the "cheap" antenna. Once we have all of it solved and tuned the best we can ... they will do an antenna exchange under warranty so we can have the good quality J&M back on the spyder.
As for my conversation with BRP technical -- seems like C&S Fun Center is pretty well done with this spyder and I, for one, am glad for that. :yes:Since I had all the Tupperware off the Spyder, the tech asked that I perform a resistance test on the radio grounds (I believe this will eliminate the main harness as the source of the problem). He described the radio plug and what pins to check (three black wires in three consecutive pins). Easy to spot and fairly easy to test .... looking for Ohms with a handheld multi-meter. He said don't be surprised if there is a small amount of resistance ... what he was looking for was a difference. With the meter set to 20K ... 0.002 ohms read on each of the wires.
One thing he did say was that a CB without an antenna is very bad for the CB and can render it inoperable. We, effectively, were operating without an antenna since we know the J&M is toast. So, now I am wondering if we are actually fighting two problems
-- a ground issue (something draining to ground that shouldn't) and a "blown" CB. Either one could cause problems with the ability to tune the antenna and I will voice this concern when I discuss results of our testing.
Bottom line, it looks like we will (finally) be able to take the Spyder to another dealer to have this resolved. Before we select either one 30 miles or one 65 miles away, I will find out if they have an SWR meter "in house" or are willing to get one ... so THEY can check the tune on the antenna themselves and make sure there are no ground issues before returning the spyder to us. These meters are cheap (less than $20), it just boggles the mind that C&S Fun Center doesn't have and, apparently, won't go out and get one.
As always, thank you for the suggestions .... will keep this updated as we move forward .... Ann
First I will answer questions from the last post -- thank you Steve, for the information:
Sounds like pulling fuses would have isolated any USB devices, but if wired directly to the battery it'll have it's own fuse inline.
These are "plug and play" devices from Spyderpops, so they have power bridges that plug in between the turn signals and the Spyder.
I am curious about what you mean when you say "noise gets worse with movement" (I may have missed it!). The noise changes pitch or gets louder when you drive?
Not so much louder or change in pitch, it just overrides any reception and there is a great amount of "cut out" when receiving.
If I remember you have noise with the key ON and the red switch (engine kill) OFF. I'm trying to think what systems are powered in that condition - fuel pump? Since it started after the air pump was replaced, what do they have to take off to get to it? What gets unplugged that may not be plugged back in well?
Correct on the noise with the kill OFF -- tried that and there was no change. As for what was taken off for the air pump ... the entire rear cargo module (and anything plugged into it from the main harness). We have inspected all the plugs we can reach ... even unplugged, checked for bent pins, and plugged back together. No change.
Seems like the ground should be OK since you checked it. You shouldn't have a ground loop since the shield for the antenna is inside the base of the antenna and it not grounded at the antenna itself. The shield in the cable is grounded down near the CB somewhere, or at the CB unit itself when plugged in. I don't have a CB, so cannot check.
On recommendations from a local CB repair guy -- we checked the cable and ground by continuity from the center post to the threads on the brass block and also from the outside of the cable to the ground strap connection next to the antenna itself (inside the left speaker pod). So, I am certain we now have a good ground for the antenna.
If you grab the CB unit, does the noise change? That might suggest the CB itself is not grounded well.
Makes no difference in the noise if the CB is touched. It makes a HUGE difference if the antenna is touched .... see below for what we have found this indicates.
And last for today - can you unplug the antenna from the CB and test?
Being an electrical engineer your problem has me really curious! Hoping to hear something positive soon!
We have unplugged the antenna and tested what we could on the antenna itself -- CB repair indicated that we should have continuity from tip to tail (we don't -- again, see below). Well ... I think the following is a HUGE positive. I am now in direct contact with the regional technical guy and he has asked for a few things. We had an extended discussion and I am confident he will see this through to a final positive outcome.:clap::clap:
OK ... so here is the update.
Since we did not get good readings when checking continuity of the antenna itself, I went down to the local truck stop and picked up a cheap (but tunable) antenna. It has the same threads as the J&M and we decided to see if we could tune it. Well ... results are better ... but still not good as our reading on the SWR meter is still well over 2 and not very adjustable. So, I called J&M and reported these results .... they are convinced that the J&M antenna is damaged (probably a cracked fiberglass staff) and needs to be replaced. They also indicated that if something in the entertainment harness was pinched in such a way to create a current loop, transmit would not work. In addition, they also believe we still have a grounding issue (like a pinched wire somewhere) and that we need to solve that before proceeding with tuning the "cheap" antenna. Once we have all of it solved and tuned the best we can ... they will do an antenna exchange under warranty so we can have the good quality J&M back on the spyder.
As for my conversation with BRP technical -- seems like C&S Fun Center is pretty well done with this spyder and I, for one, am glad for that. :yes:Since I had all the Tupperware off the Spyder, the tech asked that I perform a resistance test on the radio grounds (I believe this will eliminate the main harness as the source of the problem). He described the radio plug and what pins to check (three black wires in three consecutive pins). Easy to spot and fairly easy to test .... looking for Ohms with a handheld multi-meter. He said don't be surprised if there is a small amount of resistance ... what he was looking for was a difference. With the meter set to 20K ... 0.002 ohms read on each of the wires.
One thing he did say was that a CB without an antenna is very bad for the CB and can render it inoperable. We, effectively, were operating without an antenna since we know the J&M is toast. So, now I am wondering if we are actually fighting two problems

Bottom line, it looks like we will (finally) be able to take the Spyder to another dealer to have this resolved. Before we select either one 30 miles or one 65 miles away, I will find out if they have an SWR meter "in house" or are willing to get one ... so THEY can check the tune on the antenna themselves and make sure there are no ground issues before returning the spyder to us. These meters are cheap (less than $20), it just boggles the mind that C&S Fun Center doesn't have and, apparently, won't go out and get one.
As always, thank you for the suggestions .... will keep this updated as we move forward .... Ann
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