21
Club Events / Re: Run For The Hills #29 Scouting Run
« Last post by Fierofool on April 13, 2024, 07:58:08 pm »Well, it was a beautiful day to ride up to Franklin, NC and back this morning. You should have come with me.
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22
Tech Tips, Tech Questions / Re: Bent pushrod in Duke
« Last post by Fierofool on April 10, 2024, 09:56:58 pm »I could have rebuilt it for someone. I did a lot of them. The screws and nuts usually came with most of the kits. I sometimes used nylock nuts on my screws and other times I used the star washer nuts that were supplied.
The coolant fan switch is on the front side of the engine just below the thermostat housing and points at the driver's back. The gauge switch is next to the thermostat housing and stands straight up. The coolant temperature switch (ECM injector control) is the one that screws into the thermostat housing.
When using a meter or test light on the circuit at the fan motor, the fan switch circuit has to be closed or grounded at the engine in order to complete the circuit. If your harness connection is between the ballast and motor, it may be that the ballast is bad. I don't know if the ground runs through the hvac control or not, but probably the hot wire will.
I found this 84 diagram on Pennocks. Maybe it will help.
http://images.fieroforum.com/2011/84-Fiero-Electrical-Diagrams.pdf
The coolant fan switch is on the front side of the engine just below the thermostat housing and points at the driver's back. The gauge switch is next to the thermostat housing and stands straight up. The coolant temperature switch (ECM injector control) is the one that screws into the thermostat housing.
When using a meter or test light on the circuit at the fan motor, the fan switch circuit has to be closed or grounded at the engine in order to complete the circuit. If your harness connection is between the ballast and motor, it may be that the ballast is bad. I don't know if the ground runs through the hvac control or not, but probably the hot wire will.
I found this 84 diagram on Pennocks. Maybe it will help.
http://images.fieroforum.com/2011/84-Fiero-Electrical-Diagrams.pdf
23
Tech Tips, Tech Questions / Re: Bent pushrod in Duke
« Last post by Tha Driver on April 10, 2024, 08:12:51 pm »Well I mucked with it again today. There are three temp sensors - two on the head & one on the t-stat housing. All of them have two wires to them. Nothing I do with any of them makes the fan run. I did ground the test light & there is no power to either of the fan wires.
I did get the l. headlight to go up & down today by swapping the motor. The motor I put in (off of the parts car) had screws in the housing. I bet you rebuilt that one, didn't you Charlie?
Thanks,
Paul
aka Tha Driver
I did get the l. headlight to go up & down today by swapping the motor. The motor I put in (off of the parts car) had screws in the housing. I bet you rebuilt that one, didn't you Charlie?
Thanks,
Paul
aka Tha Driver
24
Tech Tips, Tech Questions / Re: Bent pushrod in Duke
« Last post by Raydar on April 10, 2024, 10:42:11 am »
If you're testing the circuit by using both wires at the fan, that may not work due to the ground coming through a closed sensor at high temperature. It would have to be grounded to the chassis somewhere up front.
84s have a two speed fan. Those may both be "hot" wires, for the two speeds (unless one of them is obviously a ground). I would check between each wire, and ground. Of course, I could be missing something, since I'm not there, looking at it.
25
Tech Tips, Tech Questions / Re: Bent pushrod in Duke
« Last post by Fierofool on April 10, 2024, 09:29:23 am »The coolant fan can run even with the HVAC turned off. As you probably know, the fan grounds through the coolant fan switch. I don't remember where it's located on the Duke, but I think it's in or next to the thermostat housing. Should be a single wire sensor.
If you're testing the circuit by using both wires at the fan, that may not work due to the ground coming through a closed sensor at high temperature. It would have to be grounded to the chassis somewhere up front.
If you're testing the circuit by using both wires at the fan, that may not work due to the ground coming through a closed sensor at high temperature. It would have to be grounded to the chassis somewhere up front.
26
Tech Tips, Tech Questions / Re: Bent pushrod in Duke
« Last post by Tha Driver on April 10, 2024, 08:48:24 am »Hi Charlie,
I unplugged the fan & used a test light & can't get power to the fan. I was going to cut the plug off of a parts car to test the fan but the only '84 I have here is missing the plug. I did try with the AC on but no change.
So it all runs through the hivac? Guess I need to pull that & see if I can find something there...
Thanks,
Paul
aka Tha Driver
I unplugged the fan & used a test light & can't get power to the fan. I was going to cut the plug off of a parts car to test the fan but the only '84 I have here is missing the plug. I did try with the AC on but no change.
So it all runs through the hivac? Guess I need to pull that & see if I can find something there...
Thanks,
Paul
aka Tha Driver
27
The Market / 86Se in Pendergrass, Ga.
« Last post by Fierofool on April 09, 2024, 04:37:52 pm »Not mine. On FB Market Place. He says he also has a Buick with a 3800 SC to go along with the Fiero. Both for $1500.
https://www.facebook.com/marketplace/item/1895449460909296/?rdid=2t3QftZNNZY8ZMDv
https://www.facebook.com/marketplace/item/1895449460909296/?rdid=2t3QftZNNZY8ZMDv
28
The Market / F/S 88 GT exhaust cat back
« Last post by mweldon on April 07, 2024, 09:52:28 pm »Anyone need an OEM CAT back exhaust for 88GT?
Surface rust but still functional and restorable.
100$ obo
marc
Surface rust but still functional and restorable.
100$ obo
marc
29
Tech Tips, Tech Questions / Re: Bent pushrod in Duke
« Last post by Fierofool on April 07, 2024, 07:45:29 am »Could be the hvac control unit in the dash or the ballast resistor. Have you tried applying power direct to the motor?
30
Tech Tips, Tech Questions / Re: Bent pushrod in Duke
« Last post by Tha Driver on April 06, 2024, 09:02:34 pm »OK so I got the Indy put back together. Thanks Charlie for telling me about Todd for a used head after I broke the original one trying to remove a valve seal. 
https://thefierofarm.com/
Now I can't get the radiator fan to run. Swapped relays, checked fuses, jumped the sending unit plug & just can't seem to get power to the fan. Any suggestions?
Paul
aka Tha Driver
https://thefierofarm.com/Now I can't get the radiator fan to run. Swapped relays, checked fuses, jumped the sending unit plug & just can't seem to get power to the fan. Any suggestions?
Paul
aka Tha Driver