Basic question (I think)

perhaps he has a death wish

The load is the same but why are you doing it?

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[That would actually require 13.27 volts into 56 ohms]

Power = V^2 / R - so a 56 ohm resistor across 12v will dissipate 144/56 =

2.57 watts.

However, if it's going in a car, it will be running at 14v or more when the alternator is charging - and 14^2 / 56 = 3.5 watts - so 3 could be a bit marginal.

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Thanks, I chose a 5 watt just to be safe. Glad I did, didn't think about the actual voltage.

the

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Why put a resistor in there though? If the solenoid is bad why not just leave it disconnected, or replace the solenoid with a new one? What's it do?

Probably to fool the warning system into thinking things are ok?

I'd also be interested to know the purpose of the solenoid.

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"James Sweet" bravely wrote to "All" (28 Dec 05 06:59:23) --- on the heady topic of "Re: Basic question (I think)"

JS> From: James Sweet JS> Xref: core-easynews sci.electronics.repair:352797

JS> T Hakemack wrote: > Thanks, I chose a 5 watt just to be safe. Glad I did, didn't think about the > actual voltage.

JS> Why put a resistor in there though? If the solenoid is bad why not JS> just leave it disconnected, or replace the solenoid with a new one? JS> What's it do?

He seems to me intent on disabling the seatbelt beepers. The simpler thing if he doesn't like beepers is to disconnect the sqwawkbox.

A*s*i*m*o*v

... I worked hard to attach the electrodes to it.

OK, here's all the poop.

98-99 Dodge Quadcab trucks have a soleniod that has to be powered to put the seat belt on. It's powered by a seat belt module under the seat that has a pendulum(SP) in it that kills power in a wreck to the solenoids thereby locking the belts. The seat belt module also ties into the Airbag system(I haven't researched why). Anyway to make a long story short, I put a 2001 seat in it that doesn't use a module(Dodge did away with it after 99). Basically all I'm doing it faking the module in to thinking the solenoids are there so the seat belt light on the dash goes out while driving but still works if you don't have your seat belt on.

about the

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"T Hakemack" wrote in news:1135806848 snipped-for-privacy@spool6-east.superfeed.net:

I would say the tie in to the air bag system is to adjust air bag timing and inflation for an unrestrained pax/driver in the event of a crash.

Wes.

Does it sense with the solenoid, or does it have a separate switch for the sensing? Try the resistor, if it does the trick then go with it, that's an odd setup though. Not as bad as those silly automatic power seatbelts they had in the late 80s, what a dumb idea. Most people I knew disconnected the shoulder strap and didn't use it at all because it would automatically zip back and choke or yank something out of your hand, just plain annoying. Most of those same people would always wear a standard seatbelt when in a car that had it.