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Join Date: Aug 2005
Location: Naples, Fl
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Fixed Problem with Hella alarm box

I want to take my alarm out, but has any body wired around it here is a picture of my alarm. This is out of my 84 euro carrera. [

Up date, with help from other Pelicans it is bypassed. Rather than jumping a few wires, I traced the wires back to their source and simply wired it as if it never had an alarm. I pulled out all the harness not needed. The two 61 blue wires went to the alternator light. just remove the blue/red wire and change it with the blue wire. The black wire runs to the fuse panel and connects with a black wire that goes to the DME relay. After looking at a wiring diagram I found that the black wire without an alarm connects to the fused side of the #8 terminal. Just connect the black wire from the DEM relay directly and your done. Besure and pull out all the extra wires and be sure you didn't leave anything hot to ground out. Their is a red wire you also remove from the fuse panel.


Last edited by Andrew Brunson; 10-21-2005 at 03:32 PM..
Old 10-17-2005, 05:25 PM
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I've pulled mine out of my 83SC. One of the manuals shows the wiring diagram (either the Bentley or the factory - can't remember). I think it intercepts the fuel pump power, so you would obviouslly have to rewire that bit.

My 83 is a track car, so I pulled ALL the alarm wiring out. There is a heck of alot of stuff in there to support the alarm...

SMD
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70 914/6, GT clone, 3.0L
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84 930, 3.5L
Old 10-18-2005, 05:45 AM
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Andrew,

All that is need is a jumper connecting both #61 terminals at the connector that plugs into the alarm module.

All owners with the factory alarm should carry such a jumper with two male 0.25" Faston connectors ... for emergency use when the car won't start and the alarm unit isn't working correctly!!! One of the rather understated messages in the factory service manual is that one uninted failure mode of the alarm unit is disabling of the car!

Please read the following thread of a local friend's ordeal in troubleshooting the non-start condition after an electrical transient took out the CDI unit, Optima battery, and alarm unit:

'82 SC Won't run
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Old 10-18-2005, 06:56 AM
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Jumping the 61 61 terminals do not work on my 84. It has disabled the fire to the distributor. The fuel pump seems to still work cause you can smell gas. Is it safe to just jump around till it starts?
Old 10-18-2005, 02:56 PM
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I jumpered the mk to e/a which are the blue and blue/red wires, and the 87/a black/red to 15 black and it runs. My concern is the black/red as it goes hot with the key on, does the hella alarm box effect amps or voltage that I may have bypassed? Should I fuse the black/red to the black? I read this on an old post, but they didn't power the black wire form the black/red as I did.
Old 10-18-2005, 05:10 PM
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Mistake on my part. I was looking at the plug from the wrong direction. The two 61 terminals are the ones I jumpered. Plus the 87/a and 15.. The alarm is disconnected and the car runs again. Thanks again for the help.

Old 10-19-2005, 02:18 PM
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