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#1
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1996 Nissan Quest - No Power to Radio
I wonder if anyone has been thru this - I have a 1996 Nissan Quest GXE
- lost the alternator belt and battery died. I changed the belt - jump started the van and all was well - except no power whatsoever to the radio. It did work before the belt broke. All else works - heater & A/ C blowers, lights, horn, wipers, etc...Looked under the dash - two fuses for audio; a 7.5amp and a 20 - both are fine. As a matter of fact, all fuses are good - under the hood and under the dash. I pulled the radio - no fuse at the back of the unit. Just FYI, the power antenna is dead as well. Any help would be appreciated...this is an older van we just do not want to get rid of as a backup...only 100k and in great shape...I just do not want to invest in a new radio... Thanks |
#2
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1996 Nissan Quest - No Power to Radio
This is a weird one............... the alternator belt breaking and
battery dying should not stop your radio from working after they are replaced.......... I would check those fuses one more time.......... they can easily fool you if you do a visual inspection only......... I would take them out and test them with an ohm meter, to make sure they are not "open" my goal if i were in your shoes would be to be 1000% certain that the fuses aren't bad......... don't rely on visual inspection. I would also get the car manual out and see if any other accessory operates off these same fuses...... probably not, but I would want to check that anyhow, and see if any other related accessory is affected by this change. Please keep us posted on this one......... James |
#3
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1996 Nissan Quest - No Power to Radio
On Jan 18, 2:16*pm, "James" wrote:
This is a weird one............... * the alternator belt breaking and battery dying should not stop your radio from working after they are replaced.......... I would check those fuses one more time.......... they can easily fool you if you do a visual inspection only......... I would take them out and test them with an ohm meter, to make sure they are not "open" my goal if i were in your shoes would be to be *1000% *certain that the fuses aren't bad......... *don't rely on visual inspection. I would also get the car manual out and see if any other accessory operates off these same fuses...... probably not, but I would want to check that anyhow, and see if any other related accessory is affected by this change.. Please keep us posted on this one......... James James, Thanks...you are absolutely right...I should double check the fuses...I think when this first started a few months back I swapped out some fuses with something else and still nothing, but it certainly would not hurt to pick up a few new fuses and pop them in regardless. I got the Haynes manual, but no help and nothing across the internet so far. I did download the radio schematics from a site and have double checked and there are no other fuses then those I have checked. There is an amp in the left rear of the van behind the panel...I can pop an access panel and see the back of it and there are no visible in- line fuses anywhere. I'll replace the fuses tomorrow just to double check but if you can think of anything, please let me know....and thanks for your kind reply. |
#4
Posted to rec.audio.car
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1996 Nissan Quest - No Power to Radio
Honestly, I did give this a lot of thought, and if it is NOT the fuses, then
it will be difficult for you to figure it out I think. But now that you mention an external amp, ( and I don't have much experience at this), but as I recall, when you use an external amp, I think that the switching of that amp to "on" is what triggers the head unit to come on.......... so, my next step after re-checking the primary fuses again would be to **pull** that amp and look closely for a fuse there on the amp. It could be in a spot that you cannot see just by removing the access panel. If you have a bad amp fuse, I honestly believe that would prevent your radio from coming on............. By the way, where is MOSFET when we need him ????? Come on and chime in !! Check it out !!! James |
#5
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1996 Nissan Quest - No Power to Radio
On Jan 18, 7:47*pm, "James" wrote:
Honestly, I did give this a lot of thought, and if it is NOT the fuses, then it will be difficult for you to figure it out I think. *But now that you mention an external amp, * ( and I don't have much experience at this), but as I recall, when you use an external amp, I think that the switching of that amp to "on" is what triggers the head unit to come on.......... *so, my next step after re-checking the primary fuses again would be to ***pull** that amp and look closely for a fuse there on the amp. * It could be in a spot that you cannot see just by removing the access panel. *If you have a bad amp fuse, I honestly believe that would prevent your radio from coming on............. By the way, where is MOSFET *when we need him ????? * Come on and chime in !! Check it out * !!! James James, I really appreciate you putting your thoughts into this. I have a little more if/when you have time. I have attached links to two schematics - the first is the radio/ antenna diagram...it showed the two fuses I checked - the 7.5a and 10a - one coming from the ignition switch and one coming from the battery. http://s479.photobucket.com/albums/r...issanquest.jpg Looking at the diagram attached below, radio only, it shows two fuses coming off of the ignition switch - one going to the amp...and a THIRD fuse coming off the battery - I just noticed this this morning...I swear. But I I just came in from looking for the third fuse off the battery but cannot see where it is. As I said before, I did pull the radio the other day and could see no internal fuse nor an in-line fuse anywhere. http://s479.photobucket.com/albums/r...sanquestII.jpg I am convinced now that it is a fuse problem. Looking at the above diagram, could that fuse coming off the ignition to the amp be located all the way back at the amp? |
#6
Posted to rec.audio.car
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1996 Nissan Quest - No Power to Radio
"OPUS" wrote in message ... On Jan 18, 7:47 pm, "James" wrote: Honestly, I did give this a lot of thought, and if it is NOT the fuses, then it will be difficult for you to figure it out I think. But now that you mention an external amp, ( and I don't have much experience at this), but as I recall, when you use an external amp, I think that the switching of that amp to "on" is what triggers the head unit to come on.......... so, my next step after re-checking the primary fuses again would be to **pull** that amp and look closely for a fuse there on the amp. It could be in a spot that you cannot see just by removing the access panel. If you have a bad amp fuse, I honestly believe that would prevent your radio from coming on............. By the way, where is MOSFET when we need him ????? Come on and chime in !! Check it out !!! James James, I really appreciate you putting your thoughts into this. I have a little more if/when you have time. I have attached links to two schematics - the first is the radio/ antenna diagram...it showed the two fuses I checked - the 7.5a and 10a - one coming from the ignition switch and one coming from the battery. http://s479.photobucket.com/albums/r...issanquest.jpg Looking at the diagram attached below, radio only, it shows two fuses coming off of the ignition switch - one going to the amp...and a THIRD fuse coming off the battery - I just noticed this this morning...I swear. But I I just came in from looking for the third fuse off the battery but cannot see where it is. As I said before, I did pull the radio the other day and could see no internal fuse nor an in-line fuse anywhere. http://s479.photobucket.com/albums/r...sanquestII.jpg I am convinced now that it is a fuse problem. Looking at the above diagram, could that fuse coming off the ignition to the amp be located all the way back at the amp? I would check for a fuse under the hood Sometimes the radio is tied in the the domelight fuse or other accessories |
#7
Posted to rec.audio.car
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1996 Nissan Quest - No Power to Radio
On Jan 19, 11:45*am, "Ender W" kalelmail (@) yahoo.com wrote:
"OPUS" wrote in message ... On Jan 18, 7:47 pm, "James" wrote: Honestly, I did give this a lot of thought, and if it is NOT the fuses, then it will be difficult for you to figure it out I think. But now that you mention an external amp, ( and I don't have much experience at this), but as I recall, when you use an external amp, I think that the switching of that amp to "on" is what triggers the head unit to come on.......... so, my next step after re-checking the primary fuses again would be to **pull** that amp and look closely for a fuse there on the amp. It could be in a spot that you cannot see just by removing the access panel. If you have a bad amp fuse, I honestly believe that would prevent your radio from coming on............. By the way, where is MOSFET when we need him ????? Come on and chime in !! Check it out !!! James James, I really appreciate you putting your thoughts into this. I have a little more if/when you have time. I have attached links to two schematics - the first is the radio/ antenna diagram...it showed the two fuses I checked - the 7.5a and 10a - one coming from the ignition switch and one coming from the battery. http://s479.photobucket.com/albums/r...action=view&cu.... Looking at the diagram attached below, radio only, it shows two fuses coming off of the ignition switch - one going to the amp...and a THIRD fuse coming off the battery - I just noticed this this morning...I swear. But I I just came in from looking for the third fuse off the battery but cannot see where it is. As I said before, I did pull the radio the other day and could see no internal fuse nor an in-line fuse anywhere. http://s479.photobucket.com/albums/r...action=view&cu.... I am convinced now that it is a fuse problem. Looking at the above diagram, could that fuse coming off the ignition to the amp be located all the way back at the amp? I would check for a fuse under the hood Sometimes the radio is tied in the the domelight fuse or other accessories James - you first thought was your best...pulled all fuses and hit them with the multimeter - sure enough, the 10a looked good........but....but....wait for it....it was BAD! I have radio but a little short on pride now. I thank you so much for your insights into this and if nothing else, use me as an example to others who think all the fuses look good. |
#8
Posted to rec.audio.car
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1996 Nissan Quest - No Power to Radio
Fantastic OPUS !! That is super !!
Glad I could help, and the other points added by others were also thoughtful. About the "fuse meter check" , I have learned this the hard way, which as you know, is the best way.......... good Luck !! James |
#9
Posted to rec.audio.car
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1996 Nissan Quest - No Power to Radio
On Jan 19, 11:45*am, "Ender W" kalelmail (@) yahoo.com wrote:
"OPUS" wrote in message ... On Jan 18, 7:47 pm, "James" wrote: Honestly, I did give this a lot of thought, and if it is NOT the fuses, then it will be difficult for you to figure it out I think. But now that you mention an external amp, ( and I don't have much experience at this), but as I recall, when you use an external amp, I think that the switching of that amp to "on" is what triggers the head unit to come on.......... so, my next step after re-checking the primary fuses again would be to **pull** that amp and look closely for a fuse there on the amp. It could be in a spot that you cannot see just by removing the access panel. If you have a bad amp fuse, I honestly believe that would prevent your radio from coming on............. By the way, where is MOSFET when we need him ????? Come on and chime in !! Check it out !!! James James, I really appreciate you putting your thoughts into this. I have a little more if/when you have time. I have attached links to two schematics - the first is the radio/ antenna diagram...it showed the two fuses I checked - the 7.5a and 10a - one coming from the ignition switch and one coming from the battery. http://s479.photobucket.com/albums/r...action=view&cu.... Looking at the diagram attached below, radio only, it shows two fuses coming off of the ignition switch - one going to the amp...and a THIRD fuse coming off the battery - I just noticed this this morning...I swear. But I I just came in from looking for the third fuse off the battery but cannot see where it is. As I said before, I did pull the radio the other day and could see no internal fuse nor an in-line fuse anywhere. http://s479.photobucket.com/albums/r...action=view&cu.... I am convinced now that it is a fuse problem. Looking at the above diagram, could that fuse coming off the ignition to the amp be located all the way back at the amp? I would check for a fuse under the hood Sometimes the radio is tied in the the domelight fuse or other accessories Ender - thanks...as you can see, problem solved. Hope I can return your kindness for responding someday!!! Best. |
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