Pennock's Fiero Forum
  Technical Discussion & Questions - Archive
  84 aux gauge pod swap - bulb test?

T H I S   I S   A N   A R C H I V E D   T O P I C
  

Email This Page to Someone! | Printable Version


84 aux gauge pod swap - bulb test? by fierosound
Started on: 09-13-2007 10:01 AM
Replies: 8
Last post by: fierosound on 09-19-2007 10:36 AM
fierosound
Member
Posts: 14991
From: Calgary, Canada
Registered: Nov 1999


Feedback score: N/A
Leave feedback





Total ratings: 284
Rate this member

Report this Post09-13-2007 10:01 AM Click Here to See the Profile for fierosoundClick Here to visit fierosound's HomePageClick Here to Email fierosoundSend a Private Message to fierosoundDirect Link to This Post
I've added the Aux Gauge Pod to my '84 as here: http://www.frontiernet.net/...tt/AuxGageInstal.htm

Everything with both gauges works great, but with ignition on in "bulb test" mode, only the Oil Pressure warning light will light up. Shouldn't the Voltmeter warning light in the gauge pod light up as well? Have I forgotten to wire something?

Thanks...

------------------

3.4L S/C 87 GT www.fierosound.com
2002/2003/2004 World of Wheels Winner &
Multiple IASCA Stereo Award Winner

IP: Logged
PFF
System Bot
J Gunsett
Member
Posts: 1336
From: KY
Registered: Apr 2003


Feedback score: (2)
Leave feedback

Rate this member

Report this Post09-13-2007 11:40 AM Click Here to See the Profile for J GunsettClick Here to visit J Gunsett's HomePageClick Here to Email J GunsettSend a Private Message to J GunsettDirect Link to This Post
Just saw this at work. I will check it when I get home and give you some feedback.

Jack

------------------
If you can not run with the big dogs, stay on the porch!

IP: Logged
spark1
Member
Posts: 11159
From: Benton County, OR
Registered: Dec 2002


Feedback score: (1)
Leave feedback





Total ratings: 175
Rate this member

Report this Post09-13-2007 01:03 PM Click Here to See the Profile for spark1Send a Private Message to spark1Direct Link to This Post
The battery indicator isn't part of the bulb test, it should be lit whenever the ignition is on and the engine isn't running. But, the 84's don't have a battery indicator lamp, they use a resistance wire instead.

I think your brake lamp should also light on bulb test.
IP: Logged
fierosound
Member
Posts: 14991
From: Calgary, Canada
Registered: Nov 1999


Feedback score: N/A
Leave feedback





Total ratings: 284
Rate this member

Report this Post09-13-2007 01:27 PM Click Here to See the Profile for fierosoundClick Here to visit fierosound's HomePageClick Here to Email fierosoundSend a Private Message to fierosoundDirect Link to This Post
 
quote
Originally posted by spark1:

The battery indicator isn't part of the bulb test, it should be lit whenever the ignition is on and the engine isn't running.


It does not do this.


 
quote
Originally posted by spark1:

But, the 84's don't have a battery indicator lamp, they use a resistance wire instead.


This is why the bulb does not light? Is there a way to make the indicator lamp "functional".

[This message has been edited by fierosound (edited 09-13-2007).]

IP: Logged
jscott1
Member
Posts: 21676
From: Houston, TX , USA
Registered: Dec 2001


Feedback score:    (15)
Leave feedback





Total ratings: 415
Rate this member

Report this Post09-13-2007 02:45 PM Click Here to See the Profile for jscott1Send a Private Message to jscott1Direct Link to This Post
For the 84 the only light you have with the ignition on and engine not running is the Check Engine light and the brake light.

That Oil pressure light in the aux cluster is driven internally when the pressure drops below a certain point, (obviously when the car isn't running it's zero) it's not a direct function of an engine sensor that turns on the light.

[This message has been edited by jscott1 (edited 09-13-2007).]

IP: Logged
J Gunsett
Member
Posts: 1336
From: KY
Registered: Apr 2003


Feedback score: (2)
Leave feedback

Rate this member

Report this Post09-13-2007 06:22 PM Click Here to See the Profile for J GunsettClick Here to visit J Gunsett's HomePageClick Here to Email J GunsettSend a Private Message to J GunsettDirect Link to This Post
Looked at mine and it is on with the key in the on position on my 88. My 85 I have to do a little more look in, I forgot I do not have a bulb in the socket. I have one in the dash cluster to excite the alternater (spelling) for the 4.9. Will keep loking into this.

Jack
IP: Logged
spark1
Member
Posts: 11159
From: Benton County, OR
Registered: Dec 2002


Feedback score: (1)
Leave feedback





Total ratings: 175
Rate this member

Report this Post09-14-2007 01:26 AM Click Here to See the Profile for spark1Send a Private Message to spark1Direct Link to This Post
edit: The oil pressure switch and water temperature switch are wired in an “OR” configuration on the 84. If either switch closes, the "oil pressure/water temperature" indicator on the dash will light. (That dash indicator location is the same one used for the battery charge indicator in later models). To make the oil pressure gage work properly while retaining the water temperature warning function, the two circuits should be split. The tan wire from the oil switch (only) comes through the firewall at connector C203, pin "E".

There is no charge indicator on the 84 model. Instead, a resistance wire (10 Ohms) is used between the ignition switch and the alternator. To use the charge indicator lamp in the rally gage it’s necessary to bypass the existing alternator “Field” circuit. The brown wire from the alternator extends through the firewall on pin “B3" of the C500 connector.


[This message has been edited by spark1 (edited 09-18-2007).]

IP: Logged
befarrer
Member
Posts: 1962
From: Westlock, Alberta, CANADA
Registered: Aug 2002


Feedback score: N/A
Leave feedback





Total ratings: 61
Rate this member

Report this Post09-14-2007 01:35 AM Click Here to See the Profile for befarrerClick Here to Email befarrerSend a Private Message to befarrerDirect Link to This Post
84 Fieros use a resistance wire instead of a bulb in the field wire for the alternator. To get the bulb to work I think you will have to re-wire that wire from the alternator to the bulb as the resistance wire is somewhere in the harness, and maybe even the full length.
IP: Logged
fierosound
Member
Posts: 14991
From: Calgary, Canada
Registered: Nov 1999


Feedback score: N/A
Leave feedback





Total ratings: 284
Rate this member

Report this Post09-19-2007 10:36 AM Click Here to See the Profile for fierosoundClick Here to visit fierosound's HomePageClick Here to Email fierosoundSend a Private Message to fierosoundDirect Link to This Post
 
quote
Originally posted by befarrer:

84 Fieros use a resistance wire instead of a bulb in the field wire for the alternator. To get the bulb to work I think you will have to re-wire that wire from the alternator to the bulb as the resistance wire is somewhere in the harness, and maybe even the full length.


What about putting a bulb in that line? I think the Brown "charge" wire going to the gauge pod is not connected to anything right now.

[This message has been edited by fierosound (edited 09-19-2007).]

IP: Logged



All times are ET (US)

T H I S   I S   A N   A R C H I V E D   T O P I C
  

Contact Us | Back To Main Page

Advertizing on PFF | Fiero Parts Vendors
PFF Merchandise | Fiero Gallery | Ogre's Cave
Real-Time Chat | Fiero Related Auctions on eBay



Copyright (c) 1999, C. Pennock