95 coupe keeps blowing speedo fuse
11-28-2008, 01:47 PM
#1
Semper Fidelis
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95 coupe keeps blowing speedo fuse
The speedo in my little bro's 95 coupe stopped working a few days ago, I checked his fuses and sure enough it was bad. I replaced it with another fuse of the same size last night. This morning he calls me and tells me that his speedo has stopped working again.
Why would huse fuse go bad again so quick? thanks in advance
Why would huse fuse go bad again so quick? thanks in advance
11-28-2008, 01:52 PM
#2
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Location: mary esther, fl, ussa
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check to see if a wire is shorting against something... it could also be a shorted vss....try leaving it unplugged then see if the fuse still blows...if so a wire is shorting...more than likely the power supply wire to the vss... if it does NOT blow the fuse with the vss unplugged than it is shorted....
11-28-2008, 03:11 PM
#3
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check where the harness runs behind the intake manifold.. it is common for some wires to rub on the manifold bracket..if you also have a cel for 02 sensor this is definately your problem. there is a tsb for this.. check these wires first..
11-28-2008, 03:28 PM
#4
^, there was actually a recall on that issue. One thing you can do is you have a multi-meter put on lead on the vss harness and the other on a chassis ground (engine, or something like that) put the meter on ohms and if it reads continuity (closed circuit, at least 0.00 ohms) then its shorted if it reads O.L (out of limits, aka open circuit) or something of that nature then it may not be shorted, but when fuses blow the common cause is a short
11-28-2008, 03:30 PM
#5
Semper Fidelis
Thread Starter
There are no CEL's and the only problem with unplugging things to see if it blows the fuse...it doesn't blow again right away. I changed his fuse last night and it didn't blow again till the afternoon and he had been driving it since 3am till around noonish when it blew.
11-28-2008, 03:30 PM
#6
Semper Fidelis
Thread Starter
^, there was actually a recall on that issue. One thing you can do is you have a multi-meter put on lead on the vss harness and the other on a chassis ground (engine, or something like that) put the meter on ohms and if it reads continuity (closed circuit, at least 0.00 ohms) then its shorted if it reads O.L (out of limits, aka open circuit) or something of that nature then it may not be shorted, but when fuses blow the common cause is a short
11-28-2008, 03:34 PM
#7
ok, if its not doing right away it could be very well be right at some metal is not touching it all the time, then when it does..no fuse. So when you use the meter and if it comes up 0.L get your friend to move the vss harness behind the manifold and places and see what happens
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