Amp/Voltage Meter problem - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**71blksuper4x4** · 03-23-2009, 08:30 PM

Hey guys, I bought a tach dash off of ebay about a month ago to put in our '87 K30. Anyway, the Circuit board is not having a good contact with metal clips behind the cluster housing. Is there anyway to bypass this, like hook a ground and positive? My dad is curious because we thought it might just be the gauge, but we tried 3 different ones. He had also mentioned that the circuit board was pulled out from underneath of those metal clips, thus not making any kind of connection. He tried putting the circuit board underneath the contact clips, but we still haven't figured it out. It is the only gauge that isn't working. Thanks Trevor

flamingbig10 · 03-24-2009, 12:07 AM

What I would do is solder a positive and negative wire on back of the gauge and splice the positive into gauge harness power wire and the negative to a good place under the dash

**71blksuper4x4** · 03-24-2009, 12:39 PM

Anyone else think this will work without any problems? Thanks Trevor

Prong · 03-24-2009, 04:33 PM

You can get a brand new printed circuit for $70-80. If there's any dark spots on those traces, you've got a break. I've seen people solder in jumper wires before, but that looks ghetto and is asking for trouble down the line.

mhicks · 03-25-2009, 07:15 AM

Solder a piece of wire across the breaks in the traces, shouldn't be any problem. Might put a thin layer of RTV over them. It might not look good but who is going to see them? I don't see any problem with adding soldering some wire to the gauge itself. Again, not pretty but who will see it.

03-23-2009, 08:30 PM	#1
71blksuper4x4 SWB 4x4 Collector Join Date: Jun 2001 Location: Osage City, KS Posts: 5,156	Amp/Voltage Meter problem Hey guys, I bought a tach dash off of ebay about a month ago to put in our '87 K30. Anyway, the Circuit board is not having a good contact with metal clips behind the cluster housing. Is there anyway to bypass this, like hook a ground and positive? My dad is curious because we thought it might just be the gauge, but we tried 3 different ones. He had also mentioned that the circuit board was pulled out from underneath of those metal clips, thus not making any kind of connection. He tried putting the circuit board underneath the contact clips, but we still haven't figured it out. It is the only gauge that isn't working. Thanks Trevor __________________ TREVOR 1970 CST swb 4x4 (speedwarning,cruise,tilt,tach,8track, original red shoulder belts,tow hooks) 1972 Jimmy (soon to be Hickey cloned) 1971 Cheyenne Super 4x4 swb (tilt,tach,buckets, original blue shoulder belts,am/fm,cruise,tow hooks, dealer 8 track) 1972 Cheyenne Super K20 4x4 Custom Camper (tilt, tach, am/fm, tow hooks, bed toolbox, aux gas tank 1972 Cheyenne Super Crew Cab K30 4x4 Duramax, Allison, np205, buckets, tow hooks (CURRENT PROJECT) http://67-72chevytrucks.com/vboard/s...d.php?t=624819 1989 V3500 Crew Cab (454tbi, NV4500, np205) 1970 Chevelle SS (LS5 454,th400,8track,buckets,tach) :2004 Jeep Wrangler Rubicon (daily driver) WTB: 1968-70 Cruise Control Lever

03-24-2009, 12:07 AM	#2
flamingbig10 6.0 powered square Join Date: Feb 2008 Location: Mesquite texas Posts: 3,459	Re: Amp/Voltage Meter problem What I would do is solder a positive and negative wire on back of the gauge and splice the positive into gauge harness power wire and the negative to a good place under the dash __________________ Aaron 1980 c-10 short bed lowered, cammed 6.0, 4l80e 3600 stall, smp tune, wilwoods, and flames best time so far best et 7.86 @87 on motor 7.57 90 on a 75 shot Build http://67-72chevytrucks.com/vboard/s...d.php?t=283326

03-24-2009, 12:39 PM	#3
71blksuper4x4 SWB 4x4 Collector Join Date: Jun 2001 Location: Osage City, KS Posts: 5,156	Re: Amp/Voltage Meter problem Anyone else think this will work without any problems? Thanks Trevor __________________ TREVOR 1970 CST swb 4x4 (speedwarning,cruise,tilt,tach,8track, original red shoulder belts,tow hooks) 1972 Jimmy (soon to be Hickey cloned) 1971 Cheyenne Super 4x4 swb (tilt,tach,buckets, original blue shoulder belts,am/fm,cruise,tow hooks, dealer 8 track) 1972 Cheyenne Super K20 4x4 Custom Camper (tilt, tach, am/fm, tow hooks, bed toolbox, aux gas tank 1972 Cheyenne Super Crew Cab K30 4x4 Duramax, Allison, np205, buckets, tow hooks (CURRENT PROJECT) http://67-72chevytrucks.com/vboard/s...d.php?t=624819 1989 V3500 Crew Cab (454tbi, NV4500, np205) 1970 Chevelle SS (LS5 454,th400,8track,buckets,tach) :2004 Jeep Wrangler Rubicon (daily driver) WTB: 1968-70 Cruise Control Lever

03-24-2009, 04:33 PM	#4
Prong Registered User Join Date: May 2007 Location: CO Posts: 475	Re: Amp/Voltage Meter problem You can get a brand new printed circuit for $70-80. If there's any dark spots on those traces, you've got a break. I've seen people solder in jumper wires before, but that looks ghetto and is asking for trouble down the line. Last edited by Prong; 03-25-2009 at 05:01 AM.

03-25-2009, 07:15 AM	#5
mhicks Registered User Join Date: Jan 2004 Location: Weatherford,Tx Posts: 747	Re: Amp/Voltage Meter problem Solder a piece of wire across the breaks in the traces, shouldn't be any problem. Might put a thin layer of RTV over them. It might not look good but who is going to see them? I don't see any problem with adding soldering some wire to the gauge itself. Again, not pretty but who will see it. Last edited by mhicks; 03-25-2009 at 07:16 AM.

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