1998 Chevy Lumina instrument panel light was gone

XJSHEN

MEMBER
1998 CHEVROLET LUMINA
6 CYL
FWD
AUTOMATIC
200,000 MILES

My 1998 lumina' instrument panel lights were gone while other warning light were ok. I removed the cluster and checked the 4 bulbs in the cluster those were ok. I detected votage on the fuse 1, (instrument panel adn console cigar lighters), and foud there was no voltage on the fuse 1.
what could be problem how to fix it?

Thanks for your help!

Xiang

8 Replies

DAVE H

MECHANIC
13,384 POSTS

Hello .. thanks for the donation .. much appreciated

Check fuses #39, #25 and #4 ..in the fuse block on right side of dashboard .. fuse #39 is the main fuse to the dashboard !

Hope this helps

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Wednesday, July 21st, 2010 AT 3:12 AM

XJSHEN

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218 POSTS

Thanks for your reply. Actually I checked and cleaned all fuse and replaced with new fuses in the fuse box including #39, #25, #4.
I replaced melted fuse #16 for Horn and fixed horn problem last time.

Thanks for further commennt and help!
Xiang

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Wednesday, July 21st, 2010 AT 6:46 AM

XJSHEN

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Thanks Dave!
I found that there was no Fuse insert in the #25 fuse panel (this location was empty). In the Car Manual there is #25 location. I do not know how it disapeared. How can add insert plug into this location? Is it possible cause for instrument panel lights gone? Thanks for further comment and help!

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Wednesday, July 21st, 2010 AT 7:11 AM

DAVE H

MECHANIC
13,384 POSTS

Thanks for the Feedback !

You will not have a fuse #25 if you do not have SEO fitted to the vehicle

Some models are equipped with Special Equipment Option (SEO) instrument cluster, which uses a digital speedometer module in addition to the gauges and warning indicators available on the standard cluster. The digital speedometer module receives ignition voltage, ground and Vehicle Speed Sensor (VSS) signal independent of instrument cluster connector. Digital speedometer and radio can be step dimmed to a night mode when headlight switch is activated.

SOME OR ALL INSTRUMENT CLUSTER ILLUMINATION LIGHTS INOPERATIVE
Operate turn signals. If turn signal indicator lights illuminate properly, go to next step. If turn signal indicator lights do not illuminate properly, go to step 6).
Set headlight switch in PARK position. Set instrument panel dimmer switch to maximum brightness. If A/C-heater control illumination lights illuminate, go to next step. If A/C-heater control illumination lights do not illuminate, locate and repair problem in interior light dimming system. See WIRING DIAGRAMS.
Turn headlight switch off. Disconnect instrument cluster Black 32-pin connector. Set headlight switch in PARK position. Set instrument panel dimmer switch to maximum brightness. Using DVOM, check voltage between instrument cluster harness connector terminal C5 (Gray wire) and ground. Check voltage between instrument cluster harness connector terminal C6 (Gray wire) and ground. If reading is 9-14 volts for both terminals, go to next step. If reading is not 9-14 volts for both terminals, go to step 5).
Check illumination bulb(s) and bulb connection. Repair as necessary and recheck system operation. If bulbs and bulb connection are okay, replace instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. Recheck system operation.
Repair poor connection or open in appropriate circuit No. 8 (Gray wire) between instrument cluster and splice S203 (located in instrument panel wiring harness behind instrument cluster, about 2" from instrument cluster breakout). Recheck system operation.
Check for poor connection in circuit No. 150 (Black wire) between instrument cluster and ground. Repair as necessary and recheck system operation. If circuit is okay, replace instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. Recheck system operation.

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Thursday, July 22nd, 2010 AT 4:54 AM

XJSHEN

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Thanks Dave. That is right. You are outstading expert in this area! I trust you.
It is intoo profasional manner I even do not konw what is that and where are C5, C6, C8, S203, and circuit No. 150 located that you mentioned in your email.

Can you kinedly sent me a schametic chart, pictures that showing the location and the order in the switch pleas? Actually I disconected all Dash instrument panel plate. But there were so many lines connect to the inserts, so, I do not know whre is switch and what is these terminal.

Thanks for your further help!