Sam Buchanan Posted October 12, 2019 Report Share Posted October 12, 2019 (edited) The engine instruments in my P15 have been fairly well lit but the speedo was extremely dark. The wiring diagram in the service manual shows a "speedometer light" but the only dash lights (beside key and high-beam lights) in my car are two bulbs located near the engine gauges. I checked and someone had already installed #63 bulbs which are brighter than the #51 bulbs normally installed. The following post from a thread last year got my attention: http://p15-d24.com/topic/47422-bright-dash-lights/?tab=comments#comment-503267 This poster found some specialty 6v bulbs that were designed for use in microscopes. They are 7 candle-power instead of the 63"s 3 candle-power. I decided to try them and the results are impressive. Not only is the speedo very visible but I actually found the feature where the speedo numbers change colors! Please excuse the blurry photo made while underway: Here is where I bought the bulbs: https://www.ebay.com/itm/Plymouth-1946-1947-1948-extra-bright-tail-light-bulb-63-replacement-6-volt-63/161410757417?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649 I really like 'em! In case someone asks....I've already hot-wired the dash light switch located at the bottom of the dash....the bulbs are getting full voltage. Edited October 12, 2019 by Sam Buchanan 2 Quote Link to comment Share on other sites More sharing options...
Cannuck Posted October 12, 2019 Report Share Posted October 12, 2019 (edited) Hi Sam I was under the dash trying to locate the dash light bulb as mine is also dim .Be damed if I could locate it . I am sure its accessible without too much trouble any help would be appreciated . My car is a D 25 same dash as aP15. Edited October 12, 2019 by Cannuck Forgot to mention make. Quote Link to comment Share on other sites More sharing options...
Sam Buchanan Posted October 12, 2019 Author Report Share Posted October 12, 2019 10 minutes ago, Cannuck said: Hi Sam I was under the dash trying to locate the dash light bulb as mine is also dim .Be damed if I could locate it . I am sure its accessible without too much trouble any help would be appreciated . My car is a D 25 same dash as aP15. Two bulbs, one on each side of the speedometer. Quote Link to comment Share on other sites More sharing options...
Cannuck Posted October 12, 2019 Report Share Posted October 12, 2019 Thank you Quote Link to comment Share on other sites More sharing options...
9 foot box Posted October 13, 2019 Report Share Posted October 13, 2019 Thanks Sam, I've bought some B1006 6V, from that store. The bulb is a small 1154 basically, and I used them to convert my cowl lights to park/turn signals on a 47 Dodge truck. The box of ten, with a continuity test, had 4 bad bulb's. I contacted him and he replied shortly, that he would send another box that he had tested. 100% feedback. Quote Link to comment Share on other sites More sharing options...
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