Weird dash problems last night - The 1947 - Present Chevrolet & GMC Truck Message Board Network

70c10 · 03-10-2006, 08:08 AM

Recently I posted pics of my new white dash. Well, last night I fired the truck up for the first time with the new cluster to check the new tach. It worked great but when I tested my blinkers (with the headlights turned on) the left side of the dash would blink alternately

and when I tried my hazards the freakin hi-beam indicator would blink. If I turned on the hi-beams and tried the blinkers they would blink opposite

. I was thinking my headlight switch went up even though I replaced it 4 years ago. I switched printed circuit panels from one of my other dashes and it all works perfectly now

. Today I saw a post from byrd about the 2 little screws at the top of the circuit panel that are grounds and should be checked. I think one of them was in crooked!. The funny thing is that panel looks brand new with no breaks so I bet that was it all along. I just wanted to share this since there have been alot of posts lately about dash problems.

jhwkns · 03-10-2006, 10:02 AM

Make sure that all of the dash lights are firmly seated.. If they're not in all of the way it'll cause shorts.. G/L

cdowns · 03-10-2006, 12:06 PM

the imfamous bad ground !! just seems most people would rather throw parts at a problem than take the time to clean up an electrical connection and make sure the ground is shiney metal to shiney metal// i guess there's alot of guys with xray vision that just check grounds by "lookin" at them without the need to disassemble and clean, for me i've been takin them apart and cleaning them for years with excellent locost results

hopefully a lesson learned===disassemble and clean grounds B-4 anything else when you have an electrical problem// you'll save a fortune in a lifetime

70c10 · 03-10-2006, 11:28 PM

Actually I had shiney metal to metal. I sanded the copper on the circuit panel and each of the tabs on each bulb before installing.

chevy_fatman · 03-11-2006, 03:35 AM

Good deal Jim!

I'll remember the grounds whenever I do the same upgrade you did, Thanks!

byrd · 03-11-2006, 07:59 AM

Jim,
Good job, most of the issues with grounding that I have had are from those two little buggers..Randy

03-10-2006, 08:08 AM	#1
70c10 67-72 Addict! Join Date: Feb 2002 Location: The TAX State! Posts: 7,857	Weird dash problems last night Recently I posted pics of my new white dash. Well, last night I fired the truck up for the first time with the new cluster to check the new tach. It worked great but when I tested my blinkers (with the headlights turned on) the left side of the dash would blink alternately and when I tried my hazards the freakin hi-beam indicator would blink. If I turned on the hi-beams and tried the blinkers they would blink opposite . I was thinking my headlight switch went up even though I replaced it 4 years ago. I switched printed circuit panels from one of my other dashes and it all works perfectly now . Today I saw a post from byrd about the 2 little screws at the top of the circuit panel that are grounds and should be checked. I think one of them was in crooked!. The funny thing is that panel looks brand new with no breaks so I bet that was it all along. I just wanted to share this since there have been alot of posts lately about dash problems. __________________ Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads Last edited by 70c10; 03-10-2006 at 08:09 AM.

03-10-2006, 10:02 AM	#2
jhwkns Registered Cruiser Join Date: May 2002 Location: Las Vegas NV Posts: 2,230	Re: Weird dash problems last night Make sure that all of the dash lights are firmly seated.. If they're not in all of the way it'll cause shorts.. G/L __________________ I intend to live forever. So far, so good.

03-10-2006, 12:06 PM	#3
cdowns Senior Member Join Date: Jan 2003 Location: daytonabeach Posts: 22,956	Re: Weird dash problems last night the imfamous bad ground !! just seems most people would rather throw parts at a problem than take the time to clean up an electrical connection and make sure the ground is shiney metal to shiney metal// i guess there's alot of guys with xray vision that just check grounds by "lookin" at them without the need to disassemble and clean, for me i've been takin them apart and cleaning them for years with excellent locost results hopefully a lesson learned===disassemble and clean grounds B-4 anything else when you have an electrical problem// you'll save a fortune in a lifetime __________________ 71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY

03-10-2006, 11:28 PM	#4
70c10 67-72 Addict! Join Date: Feb 2002 Location: The TAX State! Posts: 7,857	Re: Weird dash problems last night Actually I had shiney metal to metal. I sanded the copper on the circuit panel and each of the tabs on each bulb before installing. __________________ Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads

03-11-2006, 03:35 AM	#5
chevy_fatman Where's my beer? Join Date: Aug 2002 Location: I live in the state of denial.... Posts: 5,621	Re: Weird dash problems last night Good deal Jim! I'll remember the grounds whenever I do the same upgrade you did, Thanks! __________________ Paul How do you make the invisible, visible?.........You take it away.



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