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Wiring colors, rheostat to analog inst cluster back lights

Rheostat next to headlamp switch. also if possible, wire identification for all wiring to inst cluster main top plug

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  • kakima Dec 23, 2016

    Hi Gary Ball, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?

    What year, make, and model?

  • Gary Ball Dec 23, 2016

    1997 CADDY CONCOURS

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SOURCE: 2006 chevy uplander inst. cluster lights

Check on ebay, I had the same prob with mine, 3 lights blew out. Check s.gif12v_electronics, NEW MERCEDES VW BMW DASH INSTRUMENT CLUSTER BULBS 1.5W. This is where i bought mine and have not had any prob. No dealer or parts house will carry this bulb seperate.

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SOURCE: I am trying to install an Autometer Tachometer in a 93 Nissan D21

the signal wire is coming from the distributor under the hood run the wire through the fire wall to that wire and as 4 the wire that lights up the tach piggyback that wire off of the cigarette lighter on the fuse box

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SOURCE: 2001 jeep cherokee want start

Dont worry about wire checks at this point. If the "no bus" message went away after disconnecting the sensor, then the sensor is bad. Replace the crank sensor and all will be good in the world again.

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SOURCE: 1999 olds aurora,headlamps wont turn off,sometimes will blink.

those are problems with the olds light switches, same switch used on other gm vehicles. replace it , new or salvage yard

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SOURCE: no reverse lights on 2000 grand am or shift out of park lock

try disconnecting the plug off the reverse light switch (on the transmission) and bridging out the 2 terminals and then see if your revers lights work if they do replace the switch

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1 Answer

92 roadmaster instrument lights


Oh boy, I just went through this with my '92 Lesabre, took a long time to trace it all down, and wound up splicing in a new wire just to my instrument cluster lights. A short kept blowing fuses somewhere in that circuit.
Down where your feet go, up under the dash at the fuse panel, there is a 15 amp fuse for park/tail lights. When you hit the light switch (for heads or park lights), power is sent to that fuse, and then to the exterior park lights. There is another wire from that fuse (green wire on mine) that also goes up under the dash, and splices to several bulbs-on the radio, on the HVAC controller, on the ashtray light, also one to the under hood lamp, and then one to the dimmer/brighter switch on the dash, the rheostat that controls brightness of interior lights. One of the green splices goes into this switch, and then another wire goes from this switch to the instrument cluster for the gauge and dash illumination. I couldn't find the short, so ran a new wire from the park light fuse to the gray wire to the instrument cluster for the cluster bulbs. I bypassed the dimmer, and left off the HVAC bulbs and ashtray light. Too much trouble to wire them all up, and think my short may have been in the dimmer rheostat.
If you have a voltmeter, pull out the dimmer switch and check for power on those wires, the green from the fuse. The park light must be switched on, or the fuse has no power. There be 8 or 9 wires on that dimmer rheostat-I never did figure out where all of them went. Asked all over a Buick forum, but nobody had an answer.

Dec 02, 2016 | 1992 Buick Roadmaster

3 Answers

Cheek fuses all good dims all other on cluster no dash light 03 chev tracker 2 door


In the diagram, see instrument cluster bulbs. The top color is voltage, bottom color wire is ground. That is what I'd want to check, voltage and ground.
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Nov 03, 2016 | Cars & Trucks

1 Answer

Lights out in the panel of on my 1994 fleetwood cadilac i already check fuses inside car all ok, how can i get the lights back on


TAKE OFF INSTRUMENT CLUSTER PANAL dISCONNECT ANY WIRE TO THE BACK OF CLUSTER IF NECESSARY TO TAKE OUT INST CLUSTER & REPLACE LIGHT BULBS IF THE WIRING CIRCUIT TO THE PANEL CHECKS OUT OK

Jun 16, 2011 | 1994 Cadillac Fleetwood

1 Answer

97 Passat Dash Light Dimmer Test. I want to tes...


If you already have the switch out, go ahead and replace it. the carbon brush that changes the resistance for dimming is old (1997). Test by one lead on your meter to the brush. The other lead to the large terminal on the rheostat coil. Rotate the shaft to see if resistance varies.

May 18, 2017 | Cars & Trucks

1 Answer

Dashboard lights burning out, down to 1 illuminating tach, speedo, gas gauge. How complicated to replace?


one hour job. find bulb part number in bulb chart in owner manual.

go here for villager help.

http://groups.yahoo.com/group/villagerquest/

Section 13-01B: Instrument Cluster — Conventional 1996 Villager Workshop Manual
REMOVAL AND INSTALLATION Instrument Panel Finish Panel Removal
  1. Disconnect the battery ground cable (14301).
  1. Block the wheels (1007) to prevent the vehicle from moving.
  1. Turn the ignition switch (11572) to the OFF position.
  1. Shift the transmission range (TR) selector to MANUAL LOW (1).
  1. Tilt the steering wheel (3600) to the lowest position, if equipped with a tilt wheel.
  1. Remove the two instrument panel finish panel screws.
  1. Remove the instrument panel finish panel (044D70) enough to access the switch electrical connectors.
  1. Disconnect the rear windshield wiper/washer switch electrical connector.
  1. Disconnect the heated back window and light switch electrical connector.
  1. Disconnect the emergency warning switch electrical connector.
  1. Disconnect the SECURITY indicator light electrical connector.
  1. Disconnect the speed control on/off (CRUISE CONT. ON/OFF) switch electrical connector.
  1. Disconnect the headlamp switch electrical connector.
  1. Disconnect the autolamp/light switch rheostat resistor electrical connector.
  1. Remove the instrument panel finish panel with the switches attached.
-------------------------------------------------------------------------------------------------
Instrument Cluster
Removal
  1. Disconnect the battery ground cable (14301).
  1. Block the wheels (1007) to prevent the vehicle from moving.
  1. Turn the ignition switch (11572) to the OFF position.
  1. Shift the transmission range (TR) selector to MANUAL LOW (1).
  1. Tilt the steering wheel (3600) to the lowest position, if equipped with a tilt wheel.
  1. Remove the two instrument panel finish panel screws.
  1. Remove the instrument panel finish panel (044D70) enough to access the switch electrical connectors.
  1. Disconnect the rear windshield wiper/washer switch electrical connector.
  1. Disconnect the heated back window and light switch electrical connector.
  1. Disconnect the emergency warning switch electrical connector.
  1. Disconnect the SECURITY indicator light electrical connector.
  1. Disconnect the speed control on/off (CRUISE CONT. ON/OFF) switch electrical connector.
  1. Disconnect the headlamp switch electrical connector.
  1. Disconnect the autolamp/light switch rheostat resistor electrical connector.
  1. Remove the instrument panel finish panel with the switches attached.
  1. Remove the four instrument cluster screws.
  2. Remove the transmission range indicator (7A110) from the instrument cluster (10849).

Jan 13, 2010 | 1995 Mercury Villager

1 Answer

Background lights are out on the intrument panel, but all the warning lights still work. I have moved bulbs around and even replaced the cluster with no results. What could be my problem?


It might be a fuse that is blown or if your vehicle is fitted with a rheostat to adjust the brightness of the cluster lights, it might be that the rheostat is faulty. If it is not fitted with a rheostat the bridge wire for the cluster lights might be broken.

Nov 04, 2009 | Saturn SL1 Cars & Trucks

2 Answers

Dash lights will not work?


Check that your tailights/parking lights are working (not the headlights) as this fuse and relay feeds all the instument lights too.... Fuse 15amp TAIL & Tailight Relay

If not then check:
The rheostat (also known as the dimmer switch) may be faulty
as it controls all the illumination of all the backlight bulbs and other dimable switches/indicators.

In general bulbs all together draw a fair amount of current so it is possible that the wiring or ground at the major supply junction feeders has failed but that is a less common problem.

So check the rheostat dimmer wiring area first as all illumination power goes through it.

There is further simple testing we can do with the three wires at the rheostat you can check the entire illumination system.
If you jumper the white/blk to the white/blk all the illumination lights should come on (that means the rheostat is bad).

Or use a voltmeter and measure the green rehostat wire to ground it should be 12volts (if not time to check the fuse, relay and wiring)

If not then finally declare the instrument panel faulty (like burned up circuit board trace).

Note of interest: the rheostat also controls (dims) other switches not associated with the instrument cluster such as the cigarette lighter bulb and hazard switch and radio player and A/C control switch. So if those are dimming but not the instrument panel backlights then yes the instrument cluster needs fixing or a very close wiring inspection.

Sep 28, 2009 | Toyota Pickup Cars & Trucks

3 Answers

Odomoter light doesnt light up


A cluster is the "instrument cluster". The speedo, gas and temp gauges, tachometer etc. The cluster is serviced as a unit only. You cannot get individual components. You would be way better off sending your cluster to the remanufacturer to be rebuilt and sent back to you. Because if you buy a cluster from some place and give your cluster as a "core" and the one you bought is not the right one, you cannot return it for the right one. You will have to buy another one. They are NOT RETURNABLE. Good luck.

Jun 21, 2009 | 2002 Saturn L-Series

2 Answers

Dash lights started dimming then went away completely. Now the in dash stereo cd lost its lights as well????


Please do not mistake this as an insult but I must ask... Check dash dimmer switch settings (on headlamp switch) if set is ok. Next would probably be a bad ground wire to instrument cluster and radio lamp circut

Jul 29, 2008 | 1988 Buick Regal

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