| [GMCnet] Re: MacNeal dash issues [message #369083 is a reply to message #369075] |
Sun, 13 March 2022 15:42   |
Rob
Messages: 651
Registered: November 2013
Location: Victoria, BC
Karma:
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Senior Member |
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My Mac dash is from the 2005 time frame (before I owned it) and while the gauges are obviously K-Mart quality level - I've really had no issues up to now. I've replaced a few of them - to measure different things and/or remove the air bag line pressure gauge. I've also had at least one switch fail - Boost, if I recall correctly.
I'm sure that now that I'm replying to your query, my next camping season will be one gauge failing after the next...
Rob
76 Royale Twin Beds, Dry Bath
Victoria, BC
> On Mar 12, 2022, at 1:34 PM, RJW wrote:
>
> The first upgrade I made to my GMC back in September 1998 was to install a MacNeal dash from his company:
> http://custominstrumentpanels.com/gmc.htm
>
> I have no real complaints but I've had some issues with the dash over the years. The dash is about 20 years out of warranty.
>
> I replaced the speedometer in 2013 because the odometer stopped working. Several of the gauges, including volts, oil pressure, suspension air tank
> pressure all read a bit off actual values, but I've learned to live with that over the past 20+ years.
>
> However, the fuel pump switch apparently stopped working which is bad with EFI. As part of my initial startup I used to switch the pump off, crank
> the engine until I saw oil pressure, then turn the pump on to start. I did that to lubricate the engine, as part of my pre-start routine. Otherwise
> the engine starts immediately with EFI and I've heard much of engine wear occurs during initial startup before oil is being pumped through out the
> motor. Q-jet carbs do that automatically. Now I can't do that.
>
> Now my gas gauge stopped working properly, as it reads full on both thanks. I know that means an open circuit in the wiring. Since the symptom is
> the same on both tanks, I’m thinking there is a problem with the actual gas gage or the fuel tank selector switch in my MacNeal dash.
>
> I wonder if others with MacNeal dashes have had similar problems with gauges and switches.
>
>
>
> --
> Richard
> 76 Palm Beach
> SE Michigan
> www.PalmBeachGMC.com
>
>
> Roller Cam 455, TBI+EBL, 3.42 FD, 4 Bag, Macerator, Lenzi (brakes, vacuum system, front end stuff), Manny Tranny, vacuum step, Tankless + OEM water
> heaters.
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Rob -
Victoria, BC -
76 Royale - Rear Twins/Dry Bath
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