OK, so I believe I have the right ones now but still no luck. I have weight sensor connected as well.

Here are the ones I ordered
https://www.amazon.com/gp/product/B01D0GET4S

Also does it matter which wire connects to which side of the resistor? Or my resistor must be bad ones then? What tool do you need to test the resistor. Sorry guys I am a newbie when it comes to these resistors.

If you have the sensor and the resistor connected at the same time, the car is seeing ~2.4 ohms, instead of the required 4.7.

Resistors are not polarized.

Resistors seldom fail - unless you run too much current through them and that will usually cause discoloration from the heat.

Ohms are measured with an ohmmeter. You can find VOMs (volt-ohm-milliammeter combo, AKA multimeter) at most auto parts stores.

Glad I saw this. So for the passenger side I'm going to have to wire two resistors in series correct?

I don't think it will work. No matter what the resistance of the resistor (or two resistors in series), if placed in parallel with the sensor the total resistance will be less than the smallest resistor. If placed in series with the sensor, total resistance will be the sum of the resistors + resistance of sensor.

Wait I'm confused now. If I have a resistor in line on the passenger side, and have the sensor connected (and somehow get it to function) does this matter?

Maybe I'm the one who is confused. What do you mean by "a resistor in line on the passenger side, and have the sensor connected"? If the sensor is connected, you shouldn't need a resistor.

All I need to do is solder in a resistor to the side airbag connector and plug in the weight sensor and I should be fine correct? (and hopefully get the weight sensor to work.)

I think we're both confused

I'm getting old. What's your excuse?

I guess I didn't see the part about a side air bag earlier. I thought you were trying to bypass the seat sensor with a resistor. Please explain again what you are trying to do (or point to a post).

No I have other plans for the sensor. I got confused and assumed putting the resistor in line on the passenger's side airbag plug and plugging in the weight sensor screwed things up

Passenger side is:
Resistor added to simulate missing airbag and
OCS "mat" removed from factory seat and reconnected

iirc, if the system was faulted at some point you have to go through a reset procedure (check the FSM). The system does NOT automatically clear an error.

That much I know. I just got confused by the last few posts

So I went and bought a multi meter. The lowest setting I can put it on for ohms is 200. I tested the resistors I have in place and was testing with and it shows .9 or .8. When I test against a new one it is 5.5 around.

So I am assuming the resistors I bought were crap since new ones are reading 5.5 and connected and used ones are at .9 or .8.

Does anyone have a valid link to quality resistors that are the right resistors?

I just bought a pack of 50. I still need to test them but if they check out I'll mail you some

How are you testing the resistors you have in place?

Using the terminals on the connector will give you odd readings that will cause you to think the resistors are bad. Had the same issue when I did mine a few years ago.

First I already had my connectors done up and heat wrapped. I then put the leads on the exposed wire from resistor to heat wrapped. The reading was .8-.9. Granted I had already tried testing both connectors with resistors plugged in and the original weight sensor plugged into its connector. I also went thru the reset procedure. I also tried using the leads within the connector and same reading .8-.9 So maybe these blew?


I tested with just the resistor, new one out of package and put one lead on each side and was reading 5.5. How else do you test them?

I ordered some new ones. These were a bit more expensive as they were 4$ for 10 as last ones were like 4$ for 100.

Testing just the resistor you did fine.

Problem is that once the resistor is soldered to the connector you will no longer get a proper reading due to the connector. There is something about the connector that makes it read as shorted (0 ohms). This in parallel with your resistor is causing you to read .8-.9 ohms.

What gomer_110 is trying to tell you is that you can't check the resistor in-circuit. You will need to disconnect one end of the resistor from the sensor circuit to get a good reading.

To pick a nit: It's not the connector that is the problem (unless you have a bad connector), it's what's hooked up to the connector (seat sensor).

The seat sensor is an entirely separate item. It's NOT connected to the same harness as the airbag and therefore has no effect on the resistance reading.

ah. I''m getting two convos mixed up. Sorry about that.

I am about to tear out my dash to remove the bulb for this air bag. I have tried 4 different types of resistors. Testing on resistor leads on each end not connected and voltmeter on 200 OHM setting(lowest) it reads 5.4-5.5. Was thinking it should be 4.7. Idk. Each time I did the reset trick and this thing never works. I have the weight sensor plugged in from passenger seat and both clips in for airbags with the following resistors.

https://www.parts-express.com/47-ohm...0-pcs--002-4.7

Any ideas?

Took four hours but mine are in and everything is functional including the weight sensor. Don't know maybe I just got lucky

disconnect + on battery and wait 5 minutes to reconnect. Worth a shot

May we know why the positive and not the negative? I always disconnect the negative to reset.

Actually the way I've always done resets is disconnecting both and touching the cables together. ALWAYS reset everything.

Doesn't matter. No need to wait 5 minutes - just press on the brake pedal for a second or two.

A direct short like that can cause problems (the capacitors discharge too fast). Pressing on the brake pedal (or placing a fairly high resistance load between the terminals) will limit the amount of current. Granted, it's not a big problem with most modern electronics, but why take a chance?

So I am going without anything connected. Wish someone could tell me if 5.4 or 5.5 should be reading using voltmeter on 200 ohm setting for these 4.7 ohm resistors non connected.

Anyway does anyone know if I unplug everything(both air bag connectors and weight sensor) if the Service Engine Soon light comes on? All the sudden after removing everything and installing my seats this damn light comes on.

Any chance you can include a link to where you bought them or can you tell me what voltmeter reading you have on a spare resistor?

If you have extras, maybe you could send me 2?

Searching online it says it should show 4.7 not 5.5.

Can someone please post a link to resistors you can buy online that you have used and are working?

Resistors from Digikey

Always had good luck with stuff from Digikey. I have used them a number of times for R&D projects at work with good success.

+1 on DigiKey - I've bought quite a bit of stuff from them over the years with no problems.

I've also had good luck getting resistors (and other discrete components) from Radio Shack and local electrical supply houses.

My guess is that you:
1) Got part of a bad batch of resistors. Not very common.
2) Are using a meter that isn't very accurate. Very likely if it is a cheap meter or an old one that has deteriorated. A Q&D check of a meter's zero is to touch the leads together - meter should read 0.0 ohms. If you have one of the better meters, you can adjust the zero.
3) You have a high-resistance connection somewhere in the circuit. If you are using crimp connectors, try putting the meter leads directly on the resistor leads. If the reading drops more than a few tenths, try soldering.

Edit: Make sure the meter leads and the points you are measuring are clean. Oxides will raise the total resistance. Some fine sandpaper, steel wool, edge of a knife, etc will knock the oxide and any other crud off.

I bought 100. PM me your address and I'll ship you some

Maybe I missed it, but I am putting in braum seats tomorrow. I'm confused to if I do take out the weight sensor and just put it upside down will the airbag always be armed or if it is off. Also if anyone found a way to make the airbag always be armed and can tell me how to do that I'd appreciate it.

wheres the yellow connector sold?

Most hardware stores, Walmart, most auto parts stores, electrical supply stores, eBay, ...

thanks i guess :ugh2:

Which yellow connector are you talking about? Crimp connectors can be found at the places I gave earlier. If you mean the yellow multi-pin connector shown in some of the pics in the OP, that's was salvaged from the car (the seat sensor, IIRC).

i think you need to go back to post #1

there are no crimp connectors?

the yellow connector that plugs into the airbag cable

i dont want to cut mine off my seat i would rather just buy another 1