Thread: This is going to be my dumb noob questions thread

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2015-09-12 21:54:26

#81

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Originally Posted by Sentraga

look at the place where the temp sensor was on the original engine. Next to it is one other sensor that has only a spade connector.

The red temp sensor you used is for the ECU for warm up enrichment.

The spade connector one is the one that goes to the cluster to show you the temp. Make sure that one is connected.

Ah, good to know. Thanks Sentraga, will check that out when I get the chance.

Originally Posted by Sentraga

As far as the windows I already told you how to check the motors. Do that first and so you know if those need to be replaced first.
I told you all of this on FB.

I remember we talked about this (the motors) & the speedo cable on FB.
Still awaiting time to get back to the Chupacabra to start checking these things.

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2015-09-12 21:58:06

#82

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Originally Posted by Char

I'm sorry, I might be a little wrong on the temp sensor information as its been quite a while since I've even touched an OBD2 engine. It might use two sensors, one for the gauge and one for the ECU even if it's a three wire sensor. Someone who knows more about OBD2 engines chime in on that?

What I was trying to get at is the gauge is a simple circuit, you have a single wire sensor on the engine that goes directly to the gauge. Either the sensor is bad, the gauge is bad or the circuit is bad, all of which you can check and the FSM tells you how.

The one on the left is for the gauge, the one on the right is for the ECU.

Good info, and thanks for the pic that helps. Will be looking into that soon.

Originally Posted by Char

As for the Windows ... It's more of the same. If the wiring, fuses and grounds are good and it is getting power you need to check what is left. Power the motor directly and see if it runs. Check the circuits in the switch and make sure it's good. Again, the information you need is in the FSM so you should be able to check it for more detail on the matter. Doing such checks also stops you from going out and buying random parts in hopes they work. Save your money and do some checking before you buy more parts, please, you could easily just have a bad switch on both units and now you have two sets for no reason.

Yeah, that's next up on the list... testing the motors directly and see.

Originally Posted by Char

Do you have access to the FSM? And if you need any help finding the information in it let me/us know and we can get it for you.

I do, but they only cover the obd1 engine and stuff. So anything obd2 isn't in there.

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2015-09-12 22:01:25

#83

Char

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Since you switched everything to OBD1 it should not matter, mostly because stuff like that temp gauge is going to be as much involved with the car's harness as it is the engine harness. Same with the window circuits. Or are you saying the copy of the FSM you have is only motor related pages?

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2015-09-12 22:07:00

#84

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Originally Posted by Char

No, it's the full FSM. Just that it doesn't have anything regarding the obd2 and switching what to where. This was my 1st ever swap and not as straight forward to me as it is to most others out there that know these cars and engines better than me. I am still learning as I go.
So finding out that I had to switch certain components from the old obd1 engine to the new obd2 engine wasn't something covered in the book and very little here on the site as well.

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2015-09-12 22:10:07

#85

Char

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Oh, yeah. General rule is anything sensor related needs to be swapped over. But anyway, if its been swapped then you can just follow the OBD1 guides. I.E. if you swapped the ECU temp sensor and need to test to make sure it works correctly you can still follow the OBD1 troubleshooting guide.

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2015-09-12 22:14:45

#86

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Originally Posted by Char

Yeah, thanks for the information & the pic for sure. I had to gather the information from people to get what info I could to know what all needed to swap over and I am betting that little sensor got overlooked (I hope at least). I appreciate the help.

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2015-09-12 22:18:34

#87

Char

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I'm not sure if there would be a difference between the OBD1 and OBD2 Temp Gauge Sensor but an easy way to tell is to do the troubleshooting test in the FSM. If the values you get are any different than the ones described than it either is different or a bad sensor anyway in which case you can grab the one off the other engine and do the same test.

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2015-09-12 22:32:04

#88

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This is going to be my dumb noob questions thread

Just got home and had to run out and check.
Looks like it's connected.

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2015-09-12 22:35:53

#89

Char

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Double check the connection of the bit actually attached to the sensor, they are only riveted on and I've had some come lose. Check the connector on the harness to make sure the wire isn't cut or anything like that, run through the troubleshooting outlined in the FSM to make sure the circuit is good and the sensor is reading normal.

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2015-09-12 22:37:59

#90

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Will do and appreciate it Char.
When I get a bit more time I'll check into things deeper and hopefully get it straightened out.

from a phone while traveling the galaxy

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