91 929s tranny hold button flashing & speedometer out - Mazda Forum

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Old 03-29-2008, 10:31 PM
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After sitting for 2.5 years, I just got my 91 929s dohc going again (I'm the second owner). Now two new problems: 1. the "HOLD" light for the shifter is flashing on the dash and 2. the speedometer is dead. The tranny seems to be shifting reasonably well. Anyone know if the problems are related? Could the speedo cable be loose and cause both problems? Is it serious or just a code thing? Please advise. Thanks. -Wampum
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Old 03-29-2008, 10:42 PM
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flashing HOLD relates to an electrical issue
if your speedo is not working, gearbox ecu cannot get speed signal and hence it belives that there is an issue

solve your speedo i'm sure HOLD will stop flashing
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Old 03-30-2008, 09:05 AM
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929S's don't have a speedo cable
theres a speed sensor on the transmission. costs about $150
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1990 Mazda 929S DOHC Mellow Burgundy Pearl Clearcoat Just broke 100k Mine
1990 Mazda 929S DOHC Niagara Silver Metallic Clearcoat 65,000 Miles
1992 Toyota Cressida Super Silver 3 Metallic Clearcoat 75,000 Miles
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Old 04-02-2008, 08:20 AM
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Yes, it causes both problems, i had the same too. I got under the car and found the previous owner had disconnected it.
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Old 04-02-2008, 03:30 PM
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mine wasn't even there
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1990 Mazda 929S DOHC Crystal White Camo 230,000 Miles (retired)
1990 Mazda 929S DOHC Mellow Burgundy Pearl Clearcoat Just broke 100k Mine
1990 Mazda 929S DOHC Niagara Silver Metallic Clearcoat 65,000 Miles
1992 Toyota Cressida Super Silver 3 Metallic Clearcoat 75,000 Miles
1986 Nissan 300zx GLL 2+2 Non-turbo 5 speed 100k

The Next Generation
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