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ECCU BLOWER MOTOR - 1998 V70 T5

posted by  Dave Spriggs on  Fri Jun 26 02:30 CST 2009
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last visit: Mon Sep 7 07:15 CST 2009
[RELATED]

I have developed and intermittent problem with my HVAC blower motor. On average the blower will not come on at one of every 10 starts.

I have checked the fuse. I have adjusted the ECCU settings into "manual" and cycled both TEMP knobs as well as the air location distribution knobs. This has no effect.

Sometimes the blower will start, if I turn off and restart the engine one or more times. Other times, this will not work.

Has anyone else had/solved this problem?

Is there a relay in the system, which may be the culprit? Might it be the blower motor resistor? Is my ECCU beginning to fail?
--
Dave in Virginia; 1998 V70 T5(M): IPD MOTRONIC+ ECU Upgrade, Sport Muffler, IPD Strut Tower Brace; VDO Boost Gauge, IPD Anti-Sway Bars, Rocha ABS Control Unit, Koni FDS Struts and Shocks/// 1988 245 DL Wagon// 1967 MGB Roadster






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