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BMW Tech and Performance
Interior and Cockpit
Engine hood light problem
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<blockquote data-quote="jarance" data-source="post: 45872" data-attributes="member: 21"><p>It located on front side on the driver side (just under the hood). You can't miss it. It is just near the headlamp. The switch look like the one install for the rear boot. </p><p></p><p>BTW, the lamp should work when the switch is grounded and the headlight is switched on. </p><p></p><p>Try checking using the following method.</p><p>1. Open the switch to exposed the internal of the bulb.</p><p>2. On the headlamp and check both of the terminals to ground or body with a voltmeter. There should be a 12 V at one of the terminal.</p><p>3. If there is 12 VDC on one of the terminals, short the other terminall that does not have voltage to ground. If the bulb light up, then the problem is your micro switch.</p><p>4. If there is no 12 VDC on either of of the terminal, then the problem is with the light switch in your car. You can swap the switch with one of the UDM member to confirm.</p><p></p><p>BTW, there should be another switch for the alarm.</p></blockquote><p></p>
[QUOTE="jarance, post: 45872, member: 21"] It located on front side on the driver side (just under the hood). You can't miss it. It is just near the headlamp. The switch look like the one install for the rear boot. BTW, the lamp should work when the switch is grounded and the headlight is switched on. Try checking using the following method. 1. Open the switch to exposed the internal of the bulb. 2. On the headlamp and check both of the terminals to ground or body with a voltmeter. There should be a 12 V at one of the terminal. 3. If there is 12 VDC on one of the terminals, short the other terminall that does not have voltage to ground. If the bulb light up, then the problem is your micro switch. 4. If there is no 12 VDC on either of of the terminal, then the problem is with the light switch in your car. You can swap the switch with one of the UDM member to confirm. BTW, there should be another switch for the alarm. [/QUOTE]
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