HUD cluster lights, driving lights stay on, even with light switch off........

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amolao
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Joined: Tue Nov 25, 2003 10:53 am
Car: 1989 Hatchback (the first one...) w/ Autech sr20de S15
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Ok, bought a brand new HUD module to get my cluster fully operational, the second day my turn signals fuse burned out...replace fuse, turn signals working fine. One day later my car starts acting funny. I turn the car off, and the ACC switch function stays on, in other words: the car is off but the radio and lights are still on...it quits in about 20 seconds...but the cluster lights stay on and driving lights, plus the pop up stay up unless I turn the car off....I tracked the problem to the cluster, by substitution....is not the harness. There seems to be a problem in the back flex circuit board of the cluster thats shorting the ILLUMINATION loop on the car and keeps certain light on even when the lightning switch is off....I will check the diodes in the back tomorrow, just wondering if anybody knows about this problem...???

SOrry about the long post, hopefully somebody else might benefit from this info if I find the solution....


s13sr20chris
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Joined: Tue Jun 10, 2003 9:32 am
Car: '89 Nissan S13 w/redtop running 13psi and not leaking fuel anymore
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i have worked on a few nissan clusters(never a 240 though). i would try complete disassembly and then reassemble. sometimes those darn screws just make poor contact or are touching something they should not touch. is your circuit board the hard or soft type? if its the soft flexible plastic mat then it could be bent or crimped somewhere. where did you get your cluster?

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amolao
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Joined: Tue Nov 25, 2003 10:53 am
Car: 1989 Hatchback (the first one...) w/ Autech sr20de S15
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Its the soft mat circuit board type, I bought the cluster used. I took the circuit board off (very carefully) and check for continuity, checks out. But theres two of four diodes that are reading kind of funny...I might pull them off the analog cluster I have and substitute with digital one,.....why do these clusters come with the weird fuse links on the plastic mat??? I have work electronics for a long time and never seem nothing designed like this.... In other words if the little fuse link on the tracks burns you are out of a cluster and thats after you spend a couple of days troubleshooting...

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amolao
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Joined: Tue Nov 25, 2003 10:53 am
Car: 1989 Hatchback (the first one...) w/ Autech sr20de S15
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Problem solved.....check the following link:http://nicoclub.com/zerothread?id=96108thanks

s13sr20chris
Posts: 4148
Joined: Tue Jun 10, 2003 9:32 am
Car: '89 Nissan S13 w/redtop running 13psi and not leaking fuel anymore
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amolao wrote:why do these clusters come with the weird fuse links on the plastic mat??? I have work electronics for a long time and never seem nothing designed like this.... In other words if the little fuse link on the tracks burns you are out of a cluster and thats after you spend a couple of days troubleshooting...
i dont know. my guess would be that it starts with a C and ends with a HEAP.

nice write up.


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