The General

So I recently did a bunch of stuff to my engine. Never did anything to the interior. I had a spark at one point from the alternator when adjusting the belt. So what I changed was the water pump/timing belt, accessory belt, motor mounts, and clutch. So the only thing I have issues with is the gauges. The rest of the electronics are working fine. Its a 1994 manual. The meter fuse will pop when revving the engine or sometimes when just idling(have tried going from a 15a fuse to a 30a, same problem). I have checked grounds and seem to isolated the problem to the gauge wiring system, without the gauges connected the fuse still blows when revving the engine. Although I can not tell the fuse blows when the two instrument cluster connectors are not connected. Again all the other electronics work and no other fuse ever blew. I have looked at a 96 factory manual and can see nothing else that connects to the gauge system in the wiring diagrams. I have also changed the white part of the instrument cluster and flex board, which seemed to of helped a bit, but now that doesnt seem to be the issue. Anyone know whats going on or how to fix this?

The General

anyone?

The General

can anyone help. I have isolated the problem to revving over 4k. WE checked most everything I can see that connects to the meter fuse, none seem to be causing this issue or at least from tests I have seen online. I have yet to remove the radio and gauges and check there, but both are functioning fine and the radio isnt on when this problem occurs. The o2 sensor is on a wideband so I dont think that would be a problem. So it seems this problem is partially related to my alternator, which is gone. With the alternator disconnected things will work fine with a 30a fuse, but blow on a 15 amp fuse, any ideas?

cardriverx

iTrader: (12)

Do you have anything that's not stock getting power from that fuse?

The General

I dont beleive so, I mean I have an oil temp gauge, wideband, those 2 seem to be running off the room fuse. I did not build the turbo car, but I can not see anything after 2 weeks of troubleshooting, anything that connects to it.

cardriverx

iTrader: (12)

If your positive it is RPM related, then focus in the things that change with RPM. The tacho in the dash, anything ignition system related, etc. From what I know reading your post, I really have no clue. Something must be shorting out to blow a 30 amp.

Is there anything else odd going on, even if it's small?

The General

well I figured out I blew the regulator in the alternator and that was causing it to blow the 30 am cause it would jump to 17-18 volts output. Upon running the car off just the battery, it will work with a 30, a bit warm, but it will run. Put in a 15 amp problem comes back

The General

bump

olderguy

iTrader: (19)

Check all of your grounds. Sounds like one of them is loose or missing.