Bulb chart, 80-86

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78-79 have less bulbs in pod. 87-88 have the same pod bulbs.
* may have to purchase 10 at a time, wholesale.

Qty | Part# | Watts | Osram | Use - Common
1 | 999 631 018 90 | 3 | 6428 | glove box
2 | 900 631 120 90 | 2 | 3796*| red door warning
3 | 900 631 115 90 | 10 | 5008*| rear park 2, hood 1
3 | 900 631 105 90 | 5 | 6418 | license plate 2, make-up mirror 1 (no sunroof)
4 | 900 631 019 90 | 3 | 2821*| pod gauge face illumination
5 | 900 631 106 90 | 10 | 6411*| door 2, headliner 1, hatch 2 (interior lights)
5 | 900 631 102 90 | 2 | 78180*| clock 1, cigar lighter 1, rear cigar lighter 1, console AT selector 2
9 | 900 631 126 90 | 21 | 7506 | brake 2, reverse 2, turn 4, third brake or rear fog 1


Qty | Part# | Watts | Osram | Use - 2721

80-82 (warnings have brown bulb holder = replaceable bulb, can sub 2721MF)

26 | 900 631 129 90 | 1.2 | 2721*| pod switches 5, AC head 1, AC button 1, warnings 19
83-86 (warnings have black bulb holder = one piece bulb + holder)
7 | 900 631 129 90 | 1.2 | 2721*| pod switches 5, AC head 1, AC button 1
19 | 999 631 301 90 | 1.2 | 2721MF | warnings

Qty | Part# | Watts | Osram | Use - Market

North America

6 | 900 631 104 90 | 5 | 5007 | side markers 4, front park 2
2 | 900 631 126 90 | 55 | H3 | fog
2 | 999 631 127 90 | 60/40 | H6024 | headlight (sealed beam)

ROW

4 | 900 631 103 90 | 4 | 3893*| fender turn 2, front park 2 (inside fog)
4 | 900 631 126 90 | 55 | H3 | fog 2, high beam 2
2 | 999 631 202 90 | 60/55 | H4 | headlight


Qty | Part# | Watts | Use - Dealer

80-84

1 | 928 641 959 00 | 1.2 | oil pressure (bulb w/plate)
3 | 928 641 958 00 | 1.2 | coolant temp, fuel reserve, voltage low (bulb w/plate) 85-86
4 | 928 641 983 00 | 1.2 | coolant temp, fuel reserve, voltage low, oil pressure


Soldered

PRND32 or CASIS in tach, Radio Shack #7219, 272-1092
The brightness is the same as the old bulbs. There was another RS#, but IIRC, they were for 20ma bulbs, which are dimmer. Radio Shack #7219, 272-1092, 2 per pack $1.50

The bulbs were mislabeled on the shelf as 'flashing'. They have the same specs as below.
Originally Posted by John Speake: The bulbs I used were T1 3mm dia 12v 60mA, wire ended.